TBR-C-202503-0130-13 Test Report BT(FCC)
SHENZHEN CACGO INTELLIGENT CO.,LTD K68 2BGT5-K68 2BGT5K68 k68
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Report No.: TBR-C-202503-0130-13
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Radio Test Report
FCC ID: 2BGT5-K68
Report No.
: TBR-C-202503-0130-13
Applicant
: SHENZHEN CACGO INTELLIGENT CO.,LTD
Equipment Under Test (EUT)
EUT Name
: smart watch
Model No.
: K68
Series Model No.
: K66A,K66B,EF6,EF7,EF13
Brand Name
: N/A
Sample ID
: HC-C-202503-0130-01-01&HC-C-202503-0130-02-01
Receipt Date
: 2025-03-27
Test Date
: 2025-03-27 to 2025-04-08
Issue Date
: 2025-04-08
Standards Test Method
Conclusions
: FCC Part 15 Subpart C 15.247 : ANSI C63.10: 2013
KDB 558074 D01 15.247 Meas Guidance v05r02
: PASS
In the configuration tested, the EUT complied with the standards specified above.
Test By
:
Lily zhang
Reviewed By
:
Henry huang
Approved By
:
Ivan Su
This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report.
TB-RF-074-1.0
1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195
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Contents
CONTENTS ............................................................................................................................................ 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 5
1.1 Client Information ................................................................................................................ 5 1.2 General Description of EUT (Equipment Under Test) ................................................... 5 1.3 Block Diagram Showing the Configuration of System Tested...................................... 6 1.4 Description of Support Units .............................................................................................. 7 1.5 Description of Test Mode ................................................................................................... 7 1.6 Description of Test Software Setting ................................................................................ 8 1.7 Measurement Uncertainty .................................................................................................. 9 1.8 Test Facility......................................................................................................................... 10
2. TEST SUMMARY..................................................................................................................... 11 3. TEST SOFTWARE .................................................................................................................. 11 4. TEST EQUIPMENT AND TEST SITE .................................................................................. 12 5. CONDUCTED EMISSION ...................................................................................................... 13
5.1 Test Standard and Limit ................................................................................................... 13 5.2 Test Setup........................................................................................................................... 13 5.3 Test Procedure .................................................................................................................. 13 5.4 Deviation From Test Standard......................................................................................... 13 5.5 EUT Operating Mode ........................................................................................................ 14 5.6 Test Data............................................................................................................................. 14
6. RADIATED AND CONDUCTED UNWANTED EMISSIONS............................................ 15 6.1 Test Standard and Limit ................................................................................................... 15 6.2 Test Setup........................................................................................................................... 16 6.3 Test Procedure .................................................................................................................. 17 6.4 Deviation From Test Standard......................................................................................... 18 6.5 EUT Operating Mode ........................................................................................................ 18 6.6 Test Data............................................................................................................................. 18
7. RESTRICTED BANDS AND BAND EDGE REQUIREMENT .......................................... 19 7.1 Test Standard and Limit ................................................................................................... 19 7.2 Test Setup........................................................................................................................... 19 7.3 Test Procedure .................................................................................................................. 20 7.4 Deviation From Test Standard......................................................................................... 20 7.5 EUT Operating Mode ........................................................................................................ 20 7.6 Test Data............................................................................................................................. 20
8. 99% OCCUPIED AND 20DB BANDWIDTH ....................................................................... 21 8.1 Test Standard and Limit ................................................................................................... 21 8.2 Test Setup........................................................................................................................... 21 8.3 Test Procedure .................................................................................................................. 21 8.4 Deviation From Test Standard......................................................................................... 22 8.5 EUT Operating Mode ........................................................................................................ 22 8.6 Test Data............................................................................................................................. 22
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9. PEAK OUTPUT POWER TEST ............................................................................................ 23 9.1 Test Standard and Limit ................................................................................................... 23 9.2 Test Setup........................................................................................................................... 23 9.3 Test Procedure .................................................................................................................. 23 9.4 Deviation From Test Standard......................................................................................... 24 9.5 EUT Operating Mode ........................................................................................................ 24 9.6 Test Data............................................................................................................................. 24
10. CARRIER FREQUENCY SEPARATION............................................................................. 25 10.1 Test Standard and Limit ................................................................................................. 25 10.2 Test Setup ........................................................................................................................ 25 10.3 Test Procedure ................................................................................................................ 25 10.4 Deviation From Test Standard ...................................................................................... 26 10.5 Antenna Connected Construction................................................................................. 26 10.6 Test Data .......................................................................................................................... 26
11. TIME OF OCCUPANCY (DWELL TIME)............................................................................. 27 11.1 Test Standard and Limit ................................................................................................. 27 11.2 Test Setup ........................................................................................................................ 27 11.3 Test Procedure ................................................................................................................ 27 11.4 Deviation From Test Standard ...................................................................................... 28 11.5 Antenna Connected Construction................................................................................. 28 11.6 Test Data .......................................................................................................................... 28
12. NUMBER OF HOPPING FREQUENCIES........................................................................... 29 12.1 Test Standard and Limit ................................................................................................. 29 12.2 Test Setup ........................................................................................................................ 29 12.3 Test Procedure ................................................................................................................ 29 12.4 Deviation From Test Standard ...................................................................................... 29 12.5 Antenna Connected Construction................................................................................. 30 12.6 Test Data .......................................................................................................................... 30
13. ANTENNA REQUIREMENT .................................................................................................. 31 13.1 Test Standard and Limit ................................................................................................. 31 13.2 Deviation From Test Standard ...................................................................................... 31 13.3 Antenna Connected Construction................................................................................. 31 13.4 Test Data .......................................................................................................................... 31
ATTACHMENT A-- CONDUCTED EMISSION TEST DATA ....................................................... 32 ATTACHMENT B--UNWANTED EMISSIONS DATA ................................................................... 34
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Revision History
Report No.
Version
Description
TBR-C-202503-0130-13 Rev.01
Initial issue of report
Issued Date
2025-04-08
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1. General Information about EUT
1.1 Client Information
Applicant Address Manufacturer Address
: SHENZHEN CACGO INTELLIGENT CO.,LTD
:
1105 Yifenghua Bld, 28 Yifenghua Innovation Industrial Park, Dalang street, Longhua district, ShenZhen, China
: SHENZHEN CACGO INTELLIGENT CO.,LTD
:
1105 Yifenghua Bld, 28 Yifenghua Innovation Industrial Park, Dalang street, Longhua district, ShenZhen, China
1.2 General Description of EUT (Equipment Under Test)
EUT Name Models No. Model Different
Product Description
Power Rating Software Version
: smart watch : K68, K66A,K66B,EF6,EF7,EF13
All of these models are identical on the same PCB, layout and : circuit, the difference is that the model name and appearance are
not the same. Operation Frequency: Bluetooth(BR+EDR): 2402MHz~2480MHz
Number of Channel: 79 channels
: Antenna Gain:
-1dBi Conducting Wire Antenna
Modulation Type:
GFSK(1Mbps) /4-DQPSK(2Mbps) 8DPSK(3Mbps)
:
USB Input: DC 5V DC 3.8V 730mAh Rechargeable Li-ion battery
: V1.00(Updatable
Hardware Version : T5170 2.1(Updatable
Remark: (1)The adapter provided by the TOBY ,the antenna gain from the manufacturer, the verified for the RF conduction test
provided by TOBY test lab.The above antenna information is declared by manufacturer and for more detailed features description, please refer to the manufacturer's specifications, the laboratory shall not be held responsible.
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(2) Channel List:
Channel
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
Frequency (MHz) 2402 2403 2404 2405 2406 2407 2408
2409 2410 2411 2412 2413 2414
2415 2416 2417 2418 2419 2420
2421 2422 2423 2424 2425 2426
2427 2428
Bluetooth Channel List
Channel
Frequency (MHz)
27
2429
28
2430
29
2431
30
2432
31
2433
32
2434
33
2435
34
2436
35
2437
36
2438
37
2439
38
2440
39
2441
40
2442
41
2443
42
2444
43
2445
44
2446
45
2447
46
2448
47
2449
48
2450
49
2451
50
2452
51
2453
52
2454
53
2455
Channel
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78
Frequency (MHz) 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480
1.3 Block Diagram Showing the Configuration of System Tested
EUT
NoteBook
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1.4 Description of Support Units
Name Notebook
Model HYLR-WFQ9
Equipment Information
S/N
Manufacturer
AAMFPM1418000165
honour
Used ""
1.5 Description of Test Mode
To investigate the maximum EMI emission characteristics generates from EUT, the test system was pre-scanning tested base on the consideration of following EUT operation mode or test configuration mode which possible have effect on EMI emission level. Each of these EUT operation mode(s) or test configuration mode(s) mentioned follow was evaluated respectively.
For Conducted Test(AC POWER)
Final Test Mode
Description
Mode 1
TX GFSK Mode Channel 00
For Radiated and RF Conducted Test
Final Test Mode
Description
Mode 1
TX GFSK Mode Channel 00
Mode 2 Mode 3 Mode 4
TX Mode(GFSK) Channel 00/39/78 TX Mode(/4-DQPSK) Channel 00/39/78 TX Mode(8DPSK) Channel 00/39/78
Mode 5
Hopping Mode(GFSK)
Mode 6
Hopping Mode(/4-DQPSK)
Mode 7
Hopping Mode(8DPSK)
Note: (1) For all test, we have verified the construction and function in typical operation. And all the
test modes were carried out with the EUT in transmitting operation in maximum power with all kinds of data rate. According to ANSI C63.10 standards, the measurements are performed at the highest, middle, lowest available channels, and the worst case data rate as follows:
TX Mode: GFSK (1 Mbps) TX Mode:/4-DQPSK (2 Mbps) TX Mode: 8DPSK (3 Mbps) (2) During the testing procedure, the continuously transmitting with the maximum power mode was programmed by the customer. (3) The EUT is considered a Mobile unit; in normal use it was positioned on X-plane. The worst case was found positioned on X-plane. Therefore only the test data of this X-plane was used for radiated emission measurement test.
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1.6 Description of Test Software Setting
During testing channel& Power controlling software provided by the customer was used to control the operating channel as well as the output power level. The RF output power selection is for the setting of RF output power expected by the customer and is going to be fixed on the firmware of the final end product power parameters of RF setting.
Test Software Version
Frequency GFSK
/4-DQPSK
8DPSK
2402 MHz
03XF 03XF 03XF
RTLBTAPP
2441MHz
03XF 03XF 03XF
2480 MHz
03XF 03XF 03XF
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1.7 Measurement Uncertainty
The reported uncertainty of measurement y±Uwhere expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2providing a level of confidence of approximately 95 %.
Test Item Conducted Emission
Parameters
Level Accuracy: 9kHz~150kHz 150kHz to 30MHz
Expanded Uncertainty (ULab)
±3.50 dB ±3.10 dB
Radiated Emission
Level Accuracy: 9kHz to 30 MHz
±4.60 dB
Radiated Emission
Level Accuracy: 30MHz to 1000 MHz
±4.50 dB
Radiated Emission
Level Accuracy: Above 1000MHz
±4.20 dB
RF Power-Conducted
Level Accuracy: Above 1000MHz
±0.95 dB
Power Spectral Density- Level Accuracy:
Conducted
Above 1000MHz
±3dB
Occupied Bandwidth
Level Accuracy: 30MHz to 1000 MHz Above 1000MHz
±3.8%
Unwanted Conducted
Level Accuracy: Emission- 30MHz to 1000 MHz
Above 1000MHz
±2.72 dB
Temperature
/
±0.6
Humidity
/
±4%
Supply voltages
/
±2%
Time
/
±4%
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1.8 Test Facility
The testing report were performed by the Shenzhen Toby Technology Co., Ltd., in their facilities located at 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. At the time of testing, the following bodies accredited the Laboratory:
CNAS (L5813) The Laboratory has been accredited by CNAS to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the competence in the field of testing. And the Registration No.: CNAS L5813.
A2LA Certificate No.: 4750.01 The laboratory has been accredited by American Association for Laboratory Accreditation(A2LA) to ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories for the technical competence in the field of Electrical Testing. And the A2LA Certificate No.: 4750.01.FCC Accredited Test Site Number: 854351. Designation Number: CN1223.
IC Registration No.: (11950A) The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing. The site registration: Site# 11950A. CAB identifier: CN0056.
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2. Test Summary
Standard Section
FCC
IC
Test Item
Test Sample(s)
FCC 15.207(a)
FCC 15.209 & 15.247(d)
FCC 15.203
RSS-Gen 8.8
RSS-Gen 8.9 & RSS 247 5.5
RSS-247 6.8
Conducted Emission Radiated Unwanted Emissions
Antenna Requirement
HC-C-202503-0130-02-01 HC-C-202503-0130-02-01 HC-C-202503-0130-01-01
FCC 15.247(a)
RSS-Gen 6.7 RSS 247 5.1 (1)
99% Occupied Bandwidth & 20dB Bandwidth
HC-C-202503-0130-01-01
FCC 15.247(b)(1) RSS 247 5.4 (2)
Peak Output Power
HC-C-202503-0130-01-01
FCC 15.247(a)(1) RSS 247 5.1 (2) Carrier frequency separation HC-C-202503-0130-01-01
FCC 15.247(a)(1) FCC 15.247(b)(1)
FCC 15.247(d) FCC 15.207(a)
FCC 15.205
RSS 247 5.1 (4)
RSS 247 5.1 (4) RSS-Gen 8.10 RSS-247 5.5 RSS-247 5.5
RSS-Gen 8.10
Time of occupancy Number of Hopping
Frequency
Band Edge
Conducted Unwanted Emissions
Emissions in Restricted Bands
HC-C-202503-0130-01-01 HC-C-202503-0130-01-01 HC-C-202503-0130-01-01 HC-C-202503-0130-01-01 HC-C-202503-0130-01-01
Judgment
PASS PASS PASS PASS PASS PASS PASS PASS PASS PASS PASS
/
/
On Time and Duty Cycle
HC-C-202503-0130-01-01
/
Note: N/A is an abbreviation for Not Applicable.
Remark
N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
3. Test Software
Test Item Conducted Emission Radiation Emission Radiation Emission
RF Conducted Measurement
RF Test System
Test Software EZ-EMC EZ-EMC EZ-EMC
MTS-8310
JS1120
Manufacturer EZ EZ EZ
MWRFtest
Tonscend
Version No. CDI-03A2 FA-03A2RE
FA-03A2RE+
V2.0.0.0
V3.2.22
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4. Test Equipment and Test Site
No.
TB-EMCSR001 TB-EMCSR002 TB-EMCCA001 TB-EMCCB002
Test Site
Shielding Chamber #1 Shielding Chamber #2 3m Anechoic Chamber #A 3m Anechoic Chamber #B
Test Site Manufacturer
YIHENG YIHENG ETS YIHENG
Specification
7.5*4.0*3.0m 8.0*4.0*3.0m 9.0*6.0*6.0m 9.0*6.0*6.0m
Used
X
Conducted Emission Test
Equipment
Manufacturer
EMI Test Receiver RF Switching Unit AMN
Rohde & Schwarz
Compliance Direction Systems Inc
SCHWARZBECK
LISN
Rohde & Schwarz
Radiation Emission Test(B Site)
Equipment
Manufacturer
Spectrum Analyzer
Spectrum Analyzer EMI Test Receiver
Agilent Rohde & Schwarz Rohde & Schwarz
Bilog Antenna
SCHWARZBECK
Horn Antenna
SCHWARZBECK
Horn Antenna
SCHWARZBECK
Loop Antenna
SCHWARZBECK
HF Amplifier
Tonscend
HF Amplifier
Tonscend
HF Amplifier
Tonscend
Highpass Filter
CD
Highpass Filter
CD
Highpass Filter
XINBO
Antenna Conducted Emission
Equipment
Manufacturer
Spectrum Analyzer
Rohde & Schwarz
MXA Signal Analyzer
KEYSIGHT
MXA Signal Analyzer
Agilent
DARE!! Instruments
RF Power Sensor
DARE!! Instruments DARE!! Instruments
Temperature and Humidity Chamber
DARE!! Instruments ZhengHang
Model No.
ESCI
RSU-A4
NNBL 8226-2 ENV216
Model No.
N9020A FSV40-N ESU-8 VULB 9168 BBHA 9120 D BBHA 9170 FMZB 1519 B TAP9E6343 TAP051845 TAP0184050 HPM-6.4/18G HPM-2.8/18G XBLBQ-HTA67(8-25G)
Model No.
FSV40-N N9020B N9020A RadiPowerRPR3006W RadiPowerRPR3006W RadiPowerRPR3006W RadiPowerRPR3006W ZH-QTH-1500
Serial No.
100321
34403
8226-2/164 101131
Serial No.
MY49100060 102197 100472/008 1225 2463 1118 1519B-059 AP21C806117 AP21C806141 AP21C806129 ----22052702-1
Serial No.
102197 MY60110172 MY47380425 17I00015SNO26 17I00015SNO29 17I00015SNO31 17I00015SNO33 ZH2107264
Last Cal. Cal. Due Date
Jun. 17, 2024 Jun. 16, 2025
Jun. 17, 2024 Jun. 16, 2025
Jun. 17, 2024 Jun. 16, 2025 Jun. 17, 2024 Jun. 16, 2025
Last Cal. Cal. Due Date
Aug. 29, 2024 Aug. 28, 2025
Jun. 17, 2024 Jun. 16, 2025
Feb. 20, 2025 Nov. 13, 2023 Jun. 14, 2024 Feb. 27, 2024 Jun. 14, 2024 Aug. 29, 2024 Aug. 29, 2024 Aug. 29, 2024 N/A N/A
N/A
Feb.19, 2026 Nov. 12, 2025 Jun. 13, 2026 Feb.26, 2026 Jun. 13, 2026 Aug. 28, 2025 Aug. 28, 2025 Aug. 28, 2025 N/A N/A N/A
Last Cal.
Jun. 17, 2024 Aug. 29, 2024 Aug. 29, 2024 Aug. 29, 2024 Aug. 29, 2024 Aug. 29, 2024 Aug. 29, 2024
Cal. Due Date
Jun. 16, 2025 Aug. 28, 2025 Aug. 28, 2025 Aug. 28, 2025 Aug. 28, 2025 Aug. 28, 2025 Aug. 28, 2025
Jun. 17, 2024 Jun. 16, 2025
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5. Conducted Emission
5.1 Test Standard and Limit
5.1.1 Test Standard RSS-Gen 8.8 FCC Part 15.207
5.1.2 Test Limit
Frequency
Maximum RF Line Voltage (dBV)
Quasi-peak Level
Average Level
150kHz~500kHz
66 ~ 56 *
56 ~ 46 *
500kHz~5MHz
56
46
5MHz~30MHz
60
50
Notes:
(1) *Decreasing linearly with logarithm of the frequency.
(2) The lower limit shall apply at the transition frequencies.
(3) The limit decrease in line with the logarithm of the frequency in the range of 0.15 to 0.50MHz.
5.2 Test Setup
5.3 Test Procedure
The EUT was placed 0.8 meters from the horizontal ground plane with EUT being connected to the power mains through a line impedance stabilization network (LISN). All other support equipments powered from additional LISN(s). The LISN provide 50 Ohm/ 50uH of coupling impedance for the measuring instrument. Interconnecting cables that hang closer than 40 cm to the ground plane shall be folded back and forth in the center forming a bundle 30 to 40 cm long. I/O cables that are not connected to a peripheral shall be bundled in the center. The end of the cable may be terminated, if required, using the correct terminating impedance. The overall length shall not exceed 1 m. LISN at least 80 cm from nearest part of EUT chassis. The bandwidth of EMI test receiver is set at 9 kHz, and the test frequency band is from 0.15MHz to 30MHz.
5.4 Deviation From Test Standard
No deviation
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5.5 EUT Operating Mode
Please refer to the description of test mode.
5.6 Test Data
Please refer to the Attachment A inside test report.
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6. Radiated and Conducted Unwanted Emissions
6.1 Test Standard and Limit
6.1.1 Test Standard
RSS-Gen 8.9 & RSS 247 5.5 FCC Part 15.209 & FCC Part 15.247(d)
6.1.2 Test Limit
General field strength limits at frequencies Below 30MHz
Frequency (MHz)
Field Strength (microvolt/meter)**
Measurement Distance (meters)
0.009~0.490
2400/F(KHz)
300
0.490~1.705
24000/F(KHz)
30
1.705~30.0
30
30
Note: 1, The emission limits for the ranges 9-90 kHz and 110-490 kHz are based on measurements
employing a linear average detector.
General field strength limits at frequencies above 30 MHz
Frequency (MHz)
Field strength (µV/m at 3 m)
Measurement Distance (meters)
30~88
100
3
88~216
150
3
216~960
200
3
Above 960
500
3
General field strength limits at frequencies Above 1000MHz
Frequency (MHz)
Above 1000
Distance of 3m (dBuV/m)
Peak
Average
74
54
Note: (1) The tighter limit applies at the band edges. (2) Emission Level(dBuV/m)=20log Emission Level(uV/m)
In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated device is operating, the RF power that is produced shall be at least 20 dB below that in the 100 kHz bandwidth within the band that contains the highest level of the desired power, based on either an RF conducted or a radiated measurement, provided that the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of rootmean-square averaging over a time interval, as permitted under section 5.4(d), the attenuation required shall be 30 dB instead of 20 dB.
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Radiated measurement
Below 30MHz Test Setup
Below 1000MHz Test Setup
Above 1GHz Test Setup
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Conducted measurement
6.3 Test Procedure
---Radiated measurement The measuring distance of 3m shall be used for measurements at frequency up to 1GHz and above 1 GHz. The EUT was placed on a rotating 0.8m high above ground, the table was rotated 360 degrees to determine the position of the highest radiation. Measurements at frequency above 1GHz. The EUT was placed on a rotating 1.5m high above the ground. RF absorbers covered the ground plane with a minimum area of 3.0m by 3.0m between the EUT and measurement receiver antenna. The RF absorber shall not exceed 30cm in high above the conducting floor. The table was rotated 360 degrees to determine the position of the highest radiation. The Test antenna shall vary between 1m and 4m, Both Horizontal and Vertical antenna are set to make measurement. The initial step in collecting conducted emission data is a spectrum analyzer peak detector mode pre-scanning the measurement frequency range. Significant peaks are then marked and then Quasi Peak detector mode re-measured. If the Peak Mode measured value compliance with and lower than Quasi Peak Mode Limit Below 1 GHz, the EUT shall be deemed to meet QP Limits and then no additional QP Mode measurement performed. But the Peak Value and average value both need to comply with applicable limit above 1 GHz. Testing frequency range 30MHz-1GHz the measuring instrument use VBW=120 kHz with Quasi-peak detection. Testing frequency range 9KHz-150Hz the measuring instrument use VBW=200Hz with Quasi-peak detection. Testing frequency range 9KHz-30MHz the measuring instrument use VBW=9kHz with Quasi-peak detection. Testing frequency range above 1GHz the measuring instrument use RBW=1 MHz and VBW=3 MHz with Peak Detector for Peak Values, and use RBW=1 MHz and VBW=10 Hz with Peak Detector for Average Values. For the actual test configuration, please see the test setup photo.
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--- Conducted measurement
Reference level measurement
Establish a reference level by using the following procedure: a) Set instrument center frequency to DTS channel center frequency. b) Set the span to1.5 times the DTS bandwidth. c) Set the RBW = 100 kHz. d) Set the VBW[3*RBW]. e) Detector = peak. f) Sweep time = auto couple. g) Trace mode = max hold. h) Allow trace to fully stabilize. i) Use the peak marker function to determine the maximum PSD level.
Note that the channel found to contain the maximum PSD level can be used to establish the reference level.
Emission level measurement
Establish an emission level by using the following procedure: a) Set the center frequency and span to encompass frequency range to be measured. b) Set the RBW = 100 kHz. c) Set the VBW[3*RBW]. d) Detector = peak. e) Sweep time = auto couple. f) Trace mode = max hold. g) Allow trace to fully stabilize. h) Use the peak marker function to determine the maximum amplitude level. Ensure that the amplitude of all unwanted emissions outside of the authorized frequency band (excluding restricted frequency bands) is attenuated by at least the minimum requirements specified in 11.11. Report the three highest emissions relative to the limit.
6.4 Deviation From Test Standard
No deviation
6.5 EUT Operating Mode
Please refer to the description of test mode.
6.6 Test Data
Radiated measurement please refer to the Attachment B inside test report. Conducted measurement please refer to the external appendix report of BT.
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7. Restricted Bands and Band Edge Requirement
7.1 Test Standard and Limit
7.1.1 Test Standard RSS-Gen 8.10 & RSS 247 5.5 FCC Part 15.205 & FCC Part 15.247(d)
7.1.2 Test Limit
Restricted Frequency Band (MHz) 2310 ~2390 2483.5 ~2500
Distance Meters(at 3m)
Peak (dBuV/m)
Average (dBuV/m)
74
54
74
54
Peak (dBm)see 7.3 e)
Average (dBm) see 7.3 e)
2310 ~2390 2483.5 ~2500
-21.20 -21.20
-41.20 -41.20
Note: According the ANSI C63.10 11.12.2 antenna-port conducted measurements may also be used as an
alternative to radiated measurements for determining compliance in the restricted frequency bands
requirements. If conducted measurements are performed, then proper impedance matching must be ensured
and an additional radiated test forcabinet/case emissions is required.
7.2 Test Setup
Radiated measurement
Conducted measurement TB-RF-074-1.0
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7.3 Test Procedure
---Radiated measurement Measurements at frequency above 1GHz. The EUT was placed on a rotating 1.5m high above the ground. RF absorbers covered the ground plane with a minimum area of 3.0m by 3.0m between the EUT and measurement receiver antenna. The RF absorber shall not exceed 30cm in high above the conducting floor. The table was rotated 360 degrees to determine the position of the highest radiation. The Test antenna shall vary between 1m and 4m, Both Horizontal and Vertical antenna are set to make measurement. The initial step in collecting conducted emission data is a spectrum analyzer peak detector mode pre-scanning the measurement frequency range. Significant peaks are then marked and then Quasi Peak detector mode re-measured. The Peak Value and average value both need to comply with applicable limit above 1 GHz. Testing frequency range above 1GHz the measuring instrument use RBW=1 MHz and VBW=3 MHz with Peak Detector for Peak Values, and use RBW=1 MHz and VBW=10 Hz with Peak Detector for Average Values. For the actual test configuration, please see the test setup photo. --- Conducted measurement a) Measure the conducted output power (in dBm) using the detector specified by the appropriate regulatory agency (see 11.12.2.3 through 11.12.2.5 for guidance regarding measurement procedures for determining quasi-peak, peak, and average conducted output power, respectively). b) Add the maximum transmit antenna gain (in dBi) to the measured output power level to determine the EIRP (see 11.12.2.6 for guidance on determining the applicable antenna gain). c) Add the appropriate maximum ground reflection factor to the EIRP (6 dB for frequencies 30 MHz; 4.7 dB for frequencies between 30 MHz and 1000 MHz, inclusive; and 0 dB for frequencies > 1000 MHz). d) For MIMO devices, measure the power of each chain and sum the EIRP of all chains in linear terms (i.e., watts and mW). e) Convert the resultant EIRP to an equivalent electric field strength using the following relationship:
E = EIRP-20 log d +104.8 where E is the electric field strength in dBuV/m EIRP is the equivalent isotropically radiated power in dBm d is the specified measurement distance in m f) Compare the resultant electric field strength level with the applicable regulatory limit. g) Perform the radiated spurious emission test.
7.4 Deviation From Test Standard
No deviation
7.5 EUT Operating Mode
Please refer to the description of test mode.
7.6 Test Data
Remark: The test uses antenna-port conducted measurements as an alternative to radiated measurements for determining compliance in the restricted frequency bands requirements.
Please refer to the external appendix report of BT.
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8. 99% Occupied and 20dB Bandwidth
8.1 Test Standard and Limit
8.1.1 Test Standard RSS-Gen 6.7 & RSS 247 5.1(a) FCC Part 15.205 & FCC Part 15.247(a)
8.1.2 Test Limit For an FHSS system operating in the 2400 to 2483.5 MHz band, there are no limits for 20dB bandwidth and 99% occupied bandwidth.
8.2 Test Setup
8.3 Test Procedure
The occupied bandwidth is the frequency bandwidth such that, below its lower and above its upper frequency limits, the mean powers are each equal to 0.5% of the total mean power of the given emission. The following procedure shall be used for measuring 99% power bandwidth: a) The instrument center frequency is set to the nominal EUT channel center frequency. The frequency span for the spectrum analyzer shall be between 1.5 times and 5.0 times the OBW. b) The nominal IF filter bandwidth (3 dB RBW) shall be in the range of 1% to 5% of the OBW, and VBW shall be approximately three times the RBW, unless otherwise specified by the applicable requirement. c) Set the reference level of the instrument as required, keeping the signal from exceeding the maximum input mixer level for linear operation. In general, the peak of the spectral envelope shall be more than [10 log (OBW/RBW)] below the reference level. Specific guidance is given in 4.1.5.2. d) Step a) through step c) might require iteration to adjust within the specified range. e) Video averaging is not permitted. Where practical, a sample detection and single sweep mode shall be used. Otherwise, peak detection and max hold mode (until the trace stabilizes) shall be used. f) Use the 99% power bandwidth function of the instrument (if available) and report the measured bandwidth. g) If the instrument does not have a 99% power bandwidth function, then the trace data points are recovered and directly summed in linear power terms. The recovered amplitude data points, beginning at the lowest frequency, are placed in a running sum until 0.5% of the total is reached; that frequency is recorded as the lower frequency. The process is repeated until 99.5% of the total is reached; that frequency is recorded as the upper frequency. The 99% power bandwidth is the difference between these two frequencies. h) The occupied bandwidth shall be reported by providing plot(s) of the measuring instrument display; the plot axes and the scale units per division shall be clearly labeled. Tabular data may be reported in addition to the plot(s).
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8.4 Deviation From Test Standard
No deviation
8.5 EUT Operating Mode
Please refer to the description of test mode.
8.6 Test Data
Please refer to the external appendix report of BT.
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9. Peak Output Power Test
9.1 Test Standard and Limit
9.1.1 Test Standard RSS 247 5.4(2) FCC Part 15.247(b)(1)
9.1.2 Test Limit
Test Item
Limit
Frequency Range(MHz)
Pmax-pk 1 W
Nch 75
f MAX { 25 kHz, BW20dB }
max. BW20dB not specified
Peak Output Power
tch 0.4 s for T = 0.4*Nch Pmax-pk 0.125 W
2400~2483.5
Nch 15
f [ MAX{25 kHz, 0.67*BW20dB}
OR MAX{25 kHz, BW20dB} ]
max. BW20dB not specified
tch 0.4 s for T = 0.4*Nch
tch = average time of occupancy; T = period; Nch = # hopping frequencies; BW = bandwidth;
f = hopping channel carrier frequency separation
9.2 Test Setup
9.3 Test Procedure
This is an RF-conducted test to evaluate maximum peak output power. Use a direct connection between the antenna port of the unlicensed wireless device and the spectrum analyzer, through suitable attenuation. The hopping shall be disabled for this test: a) Use the following spectrum analyzer settings:
1) Span: Approximately five times the 20 dB bandwidth, centered on a hopping channel. 2) RBW > 20 dB bandwidth of the emission being measured. 3) VBW RBW. 4) Sweep: Auto. 5) Detector function: Peak. 6) Trace: Max hold. b) Allow trace to stabilize. c) Use the marker-to-peak function to set the marker to the peak of the emission. d) The indicated level is the peak output power, after any corrections for external attenuators and cables. e) A plot of the test results and setup description shall be included in the test report.
NOTE-A peak responding power meter may be used, where the power meter and sensor system video bandwidth is greater than the occupied bandwidth of the unlicensed wireless device, rather than a spectrum analyzer.
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9.4 Deviation From Test Standard
No deviation
9.5 EUT Operating Mode
Please refer to the description of test mode.
9.6 Test Data
Please refer to the external appendix report of BT.
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10. Carrier frequency separation
10.1 Test Standard and Limit
10.1.1 Test Standard RSS 247 5.1(2) FCC Part 15.247(a)(1)
10.1.2 Test Limit
Test Item
Limit
Frequency Range(MHz)
Pmax-pk 1 W
Nch 75
f MAX { 25 kHz, BW20dB }
max. BW20dB not specified
Carrier frequency separation
tch 0.4 s for T = 0.4*Nch Pmax-pk 0.125 W Nch 15
2400~2483.5
f [ MAX{25 kHz, 0.67*BW20dB}
OR MAX{25 kHz, BW20dB} ]
max. BW20dB not specified
tch 0.4 s for T = 0.4*Nch
tch = average time of occupancy; T = period; Nch = # hopping frequencies; BW = bandwidth;
f = hopping channel carrier frequency separation
10.2 Test Setup
10.3 Test Procedure
The EUT shall have its hopping function enabled. Use the following spectrum analyzer
settings: a) Span: Wide enough to capture the peaks of two adjacent channels. b) RBW: Start with the RBW set to approximately 30% of the channel spacing; adjust as necessary to best identify the center of each individual channel. c) Video (or average) bandwidth (VBW) RBW. d) Sweep: Auto. e) Detector function: Peak. f) Trace: Max hold. g) Allow the trace to stabilize. Use the marker-delta function to determine the separation between the peaks of the adjacent channels. Compliance of an EUT with the appropriate regulatory limit shall be determined. A plot of the data shall be included in the test report.
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10.4 Deviation From Test Standard
No deviation
10.5 Antenna Connected Construction
Please refer to the description of test mode.
10.6 Test Data
Please refer to the external appendix report of BT.
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11. Time of occupancy (dwell time)
11.1 Test Standard and Limit
11.1.1 Test Standard RSS 247 5.1(2) FCC Part 15.247(a)(1)
11.1.2 Test Limit
Test Item
Limit
Frequency Range(MHz)
Pmax-pk 1 W
Nch 75
f MAX { 25 kHz, BW20dB }
max. BW20dB not specified
Time of occupancy (dwell time)
tch 0.4 s for T = 0.4*Nch Pmax-pk 0.125 W Nch 15
2400~2483.5
f [ MAX{25 kHz, 0.67*BW20dB}
OR MAX{25 kHz, BW20dB} ]
max. BW20dB not specified
tch 0.4 s for T = 0.4*Nch
tch = average time of occupancy; T = period; Nch = # hopping frequencies; BW = bandwidth;
f = hopping channel carrier frequency separation
11.2 Test Setup
11.3 Test Procedure
The EUT shall have its hopping function enabled. Use the following spectrum analyzer
settings: a) Span: Zero span, centered on a hopping channel. b) RBW shall be channel spacing and where possible RBW should be set >> 1 / T, where T is the expected dwell time per channel. c) Sweep: As necessary to capture the entire dwell time per hopping channel; where possible use a video trigger and trigger delay so that the transmitted signal starts a little to the right of the start of the plot. The trigger level might need slight adjustment to prevent triggering when the system hops on an adjacent channel; a second plot might be needed with a longer sweep time to show two successive hops on a channel. d) Detector function: Peak. e) Trace: Max hold. Use the marker-delta function to determine the transmit time per hop. If this value varies with different modes of operation (data rate, modulation format, number of hopping channels, etc.), then repeat this test for each variation in transmit time.
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Repeat the measurement using a longer sweep time to determine the number of hops over the period specified in the requirements. The sweep time shall be equal to, or less than, the period specified in the requirements. Determine the number of hops over the sweep time and calculate the total number of hops in the period specified in the requirements, using the following equation: (Number of hops in the period specified in the requirements) = (number of hops on spectrum analyzer)x(period specified in the requirements / analyzer sweep time) The average time of occupancy is calculated from the transmit time per hop multiplied by the number of hops in the period specified in the requirements. If the number of hops in a specific time varies with different modes of operation (data rate, modulation format, number of hopping channels, etc.), then repeat this test for each variation. The measured transmit time and time between hops shall be consistent with the values described in the operational description for the EUT.
11.4 Deviation From Test Standard
No deviation
11.5 Antenna Connected Construction
Please refer to the description of test mode.
11.6 Test Data
Please refer to the external appendix report of BT.
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12. Number of hopping frequencies
12.1 Test Standard and Limit
12.1.1 Test Standard RSS 247 5.1(4) FCC Part 15.247(b)(1)
12.1.2 Test Limit
Test Item
Limit
Frequency Range(MHz)
Pmax-pk 1 W
Nch 75
f MAX { 25 kHz, BW20dB }
max. BW20dB not specified
Carrier frequency separation
tch 0.4 s for T = 0.4*Nch Pmax-pk 0.125 W Nch 15
2400~2483.5
f [ MAX{25 kHz, 0.67*BW20dB}
OR MAX{25 kHz, BW20dB} ]
max. BW20dB not specified
tch 0.4 s for T = 0.4*Nch
tch = average time of occupancy; T = period; Nch = # hopping frequencies; BW = bandwidth;
f = hopping channel carrier frequency separation
12.2 Test Setup
12.3 Test Procedure
The EUT shall have its hopping function enabled. Use the following spectrum analyzer settings: a) Span: The frequency band of operation. Depending on the number of channels the device supports, it may be necessary to divide the frequency range of operation across multiple spans, to allow the individual channels to be clearly seen. b) RBW: To identify clearly the individual channels, set the RBW to less than 30% of the channel spacing or the 20 dB bandwidth, whichever is smaller. c) VBW RBW. d) Sweep: Auto. e) Detector function: Peak. f) Trace: Max hold. g) Allow the trace to stabilize. It might prove necessary to break the span up into subranges to show clearly all of the hopping frequencies. Compliance of an EUT with the appropriate regulatory limit shall be determined for the number of hopping channels. A plot of the data shall be included in the test report.
12.4 Deviation From Test Standard
No deviation
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12.5 Antenna Connected Construction
Please refer to the description of test mode.
12.6 Test Data
Please refer to the external appendix report of BT.
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13. Antenna Requirement
13.1 Test Standard and Limit
11.1.1 Test Standard RSS 247 6.8 FCC Part 15.203
11.1.2 Requirement An intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. The use of a permanently attached antenna or of an antenna that uses a unique coupling to the intentional radiator shall be considered sufficient to comply with the provisions of this Section. The manufacturer may design the unit so that a broken antenna can be replaced by the user, but the use of a standard antenna jack or electrical connector is prohibited.
13.2 Deviation From Test Standard
No deviation
13.3 Antenna Connected Construction
The gains of the antenna used for transmitting is -1dBi, and the antenna de-signed with permanent attachment and no consideration of replacement. Please see the EUT photo for details.
13.4 Test Data
The EUT antenna is a Conducting Wire Antenna. It complies with the standard requirement.
Antenna Type
Permanent attached antenna
Unique connector antenna
Professional installation antenna
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Attachment A-- Conducted Emission Test Data
Test Voltage: Terminal: Test Mode: Remark:
AC 120V/60Hz Line Mode 1 Only worse case is reported.
Remark: 1. Corr. Factor (dB) = LISN Factor (dB) + Cable Loss (dB)
2. Margin (dB) =QuasiPeak/Average (dBuV)-Limit (dBuV)
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Test Voltage: Terminal: Test Mode: Remark:
AC 120V/60Hz Neutral Mode 1 Only worse case is reported.
Remark: 1. Corr. Factor (dB) = LISN Factor (dB) + Cable Loss (dB)
2. Margin (dB) =QuasiPeak/Average (dBuV)-Limit (dBuV)
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Attachment B--Unwanted Emissions Data
---Radiated Unwanted Emissions 9 KHz~30 MHz From 9 KHz to 30 MHz: Conclusion: PASS Note: The amplitude of spurious emissions which are attenuated by more than 20dB
Below the permissible value has no need to be reported. 30MHz~1GHz
Temperature: Test Voltage: Ant. Pol. Test Mode: Remark:
23.5
Relative Humidity:
AC 120V/60Hz
Horizontal
Mode 1
Only worse case is reported.
46%
Remark: 1. Corr. = Antenna Factor (dB/m) + Cable Loss (dB)-AMP(dB) 2. QuasiPeak (dBV/m)= Corr. (dB/m)+ Read Level (dBV)
3. Margin (dB) = QuasiPeak (dBV/m)-Limit QPK(dBV/m)
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Temperature: Test Voltage: Ant. Pol. Test Mode: Remark:
23.5
Relative Humidity:
AC 120V/60Hz
Vertical
Mode 1
Only worse case is reported.
46%
Remark: 1. Corr. = Antenna Factor (dB/m) + Cable Loss (dB) -AMP(dB) 2. QuasiPeak (dBV/m)= Corr. (dB/m)+ Read Level (dBV) 3. Margin (dB) = QuasiPeak (dBV/m)-Limit QPK(dBV/m)
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Above 1GHz
Temperature: Test Voltage: Test Mode: Remark:
23.8
Relative Humidity:
DC 3.8V
DH5 Mode TX 2402 MHz
Only worse case is reported.
Horizontal
49%
Vertical
Remark: 1. Corr. = Antenna Factor (dB/m) + Cable Loss (dB) -AMP(dB) 2. Peak/AVG (dBV/m)= Corr. (dB/m)+ Read Level (dBV) 3. Margin (dB) = Peak/AVG (dBV/m)-Limit PK/AVG(dBV/m) 4. The tests evaluated 1-26.5GHz, The testing has been conformed to the 10th harmonic of the highest fundamental frequency. Test with highpass filter (Pass Frequency: 2.8-18G and 8-25G), and 18GHz-26.5GHz is the noise, No other signals were detected. 5. No report for the emission which below the prescribed limit. 6. The peak valueaverage limit, So only show the peak value.
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Temperature: Test Voltage: Test Mode: Remark:
23.8
Relative Humidity:
DC 3.8V
DH5 Mode TX 2441 MHz
Only worse case is reported.
Horizontal
49%
Vertical
Remark: 1. Corr. = Antenna Factor (dB/m) + Cable Loss (dB) -AMP(dB) 2. Peak/AVG (dBV/m)= Corr. (dB/m)+ Read Level (dBV) 3. Margin (dB) = Peak/AVG (dBV/m)-Limit PK/AVG(dBV/m) 4. The tests evaluated 1-26.5GHz, The testing has been conformed to the 10th harmonic of the highest fundamental frequency. Test with highpass filter (Pass Frequency: 2.8-18G and 8-25G), and 18GHz-26.5GHz is the noise, No other signals were detected. 5. No report for the emission which below the prescribed limit. 6. The peak valueaverage limit, So only show the peak value.
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Temperature: Test Voltage: Test Mode: Remark:
23.8
Relative Humidity:
DC 3.8V
DH5 Mode TX 2480 MHz
Only worse case is reported.
Horizontal
49%
Vertical
Remark: 1. Corr. = Antenna Factor (dB/m) + Cable Loss (dB) -AMP(dB) 2. Peak/AVG (dBV/m)= Corr. (dB/m)+ Read Level (dBV) 3. Margin (dB) = Peak/AVG (dBV/m)-Limit PK/AVG(dBV/m) 4. The tests evaluated 1-26.5GHz, The testing has been conformed to the 10th harmonic of the highest fundamental frequency. Test with highpass filter (Pass Frequency: 2.8-18G and 8-25G), and 18GHz-26.5GHz is the noise, No other signals were detected. 5. No report for the emission which below the prescribed limit. 6. The peak valueaverage limit, So only show the peak value.
-----END OF THE REPORT------
TB-RF-074-1.0
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