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Test Report

SHANTOU WEIDA ELECTRONIC INDUSTRY CO., LTD EH45 2A49N-EH45 2A49NEH45 eh45

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TEST REPORT

Report No.:

BCTC2405480826E

Applicant: Product Name:

SHANTOU WEIDA ELECTRONIC INDUSTRY CO., LTD
Headworn Bluetooth noise cancelling headphones

Test Model:

EH45

Tested Date:

2024-05-20 to 2024-05-24

Issued Date:

2024-05-31

Shenzhen BCTC Testing Co., Ltd.

No.BCTC/RF-EMC-005

Page: 1 of 65

EditionB.2

Report No.: BCTC2405480826E
FCC ID: 2A49N-EH45

Product Name: Trademark: Model/Type Reference: Prepared For: Address: Manufacturer: Address: Prepared By:
Address:
Sample Received Date: Sample Tested Date: Report No.: Test Standards Test Results Remark:

Headworn Bluetooth noise cancelling headphones
N/A EH45,ALFF-1,ALFF-2,Z100,Z200,Z300,Z400,Z500,Z600,Z700,Z800,Z900,Z1000, Z2000,Z3000,Z4000,Z5000,Z6000,Z7000,Z8000,Z9000 SHANTOU WEIDA ELECTRONIC INDUSTRY CO., LTD HENGSHAN INDUSTRIAL ZONE,GURAO,CHAOYANG, SHANTOU, GUANGDONG, China SHANTOU WEIDA ELECTRONIC INDUSTRY CO., LTD HENGSHAN INDUSTRIAL ZONE,GURAO,CHAOYANG, SHANTOU, GUANGDONG, China Shenzhen BCTC Testing Co., Ltd
1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China
2024-05-20
2024-05-20 to 2024-05-24
BCTC2405480826E
FCC Part15.247 ANSI C63.10-2013
PASS
This is Bluetooth Classic radio test report.

Tested by:

Approved by:

Brave Zeng/ Project Handler

Zero Zhou/Reviewer

The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can't be reproduced except in full. The tested sample(s) and the sample information are provided by the client.

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Report No.: BCTC2405480826E

Table of Content

Test Report Declaration

Page

1. Version ..................................................................................................................5 2. Test Summary .......................................................................................................6 3. Measurement Uncertainty .....................................................................................7 4. Product Information and Test Setup......................................................................8 4.1 Product Information...............................................................................................8 4.2 Test Setup Configuration ......................................................................................8 4.3 Support Equipment ...............................................................................................9 4.4 Channel List ..........................................................................................................9 4.5 Test Mode ...........................................................................................................10 4.6 Table Of Parameters Of Text Software Setting...................................................10 5. Test Facility And Test Instrument Used...............................................................11 5.1 Test Facility.........................................................................................................11 5.2 Test Instrument Used..........................................................................................11 6. Conducted Emissions..........................................................................................13 6.1 Block Diagram Of Test Setup..............................................................................13 6.2 Limit ....................................................................................................................13 6.3 Test procedure....................................................................................................13 6.4 EUT operating Conditions ...................................................................................13 6.5 Test Result..........................................................................................................14 7. Radiated emissions .............................................................................................16 7.1 Block Diagram Of Test Setup..............................................................................16 7.2 Limit ....................................................................................................................17 7.3 Test procedure....................................................................................................18 7.4 EUT operating Conditions ...................................................................................19 7.5 Test Result..........................................................................................................20 8. Radiated Band Emission Measurement and Restricted Bands of Operation ......24 8.1 Block Diagram Of Test Setup..............................................................................24 8.2 Limit ....................................................................................................................24 8.3 Test procedure....................................................................................................25 8.4 EUT operating Conditions ...................................................................................25 8.5 Test Result..........................................................................................................26 9. Spurious RF Conducted Emissions.....................................................................27 9.1 Block Diagram Of Test Setup..............................................................................27 9.2 Limit ....................................................................................................................27 9.3 Test procedure....................................................................................................27 9.4 Test Result..........................................................................................................28 10. 20 dB Bandwidth .................................................................................................42 10.1 Block Diagram Of Test Setup............................................................................42 10.2 Limit ..................................................................................................................42 10.3 Test procedure ..................................................................................................42 10.4 Test Result........................................................................................................43 11. Maximum Peak Output Power.............................................................................47 11.1 Block Diagram Of Test Setup............................................................................47 11.2 Limit ..................................................................................................................47 11.3 Test procedure ..................................................................................................47

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11.4 Test Result........................................................................................................47 12. Hopping Channel Separation ..............................................................................51 12.1 Block Diagram Of Test Setup............................................................................51 12.2 Limit ..................................................................................................................51 12.3 Test procedure ..................................................................................................51 12.4 Test Result........................................................................................................51 13. Number of Hopping Frequency ...........................................................................55 13.1 Block Diagram Of Test Setup............................................................................55 13.2 Limit ..................................................................................................................55 13.3 Test procedure ..................................................................................................55 13.4 Test Result........................................................................................................55 14. Dwell Time...........................................................................................................57 14.1 Block Diagram Of Test Setup............................................................................57 14.2 Limit ..................................................................................................................57 14.3 Test procedure ..................................................................................................57 14.4 Test Result........................................................................................................57 15. Antenna Requirement .........................................................................................62 15.1 Limit ..................................................................................................................62 15.2 Test Result........................................................................................................62 16. EUT Test Setup Photographs..............................................................................63

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1. Version
Report No. BCTC2405480826E

Issue Date 2024-05-31

Report No.: BCTC2405480826E

Description Original

Approved Valid

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Report No.: BCTC2405480826E

2. Test Summary
The Product has been tested according to the following specifications:

No.

Test Parameter

Clause No.

Results

1

Conducted emission AC power port

§15.207

PASS

2

Conducted peak output power for FHSS

§15.247(b)(1)

PASS

3

20dB Occupied bandwidth

§15.247(a)(1)

PASS

4

Number of hopping frequencies

§15.247(a)(1)(iii)

PASS

5

Dwell Time

§15.247(a)(1)(iii)

PASS

6

Spurious RF conducted emissions

§15.247(d)

PASS

7

Band edge

§15.247(d)

PASS

8

Spurious radiated emissions for transmitter

§15.247(d) & §15.209 & §15.205

PASS

9

Antenna Requirement

15.203

PASS

NOTE1: N/A (Not Applicable) NOTE2: According to FCC OET KDB 558074, the report use radiated measurements in the restricted frequency bands. In addition, the radiated test is also performed to ensure the emissions emanating from the device cabinet also comply with the applicable limits.

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Report No.: BCTC2405480826E

3. Measurement Uncertainty

Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the Product as specified in CISPR 16-4-2. This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2.

No.

Item

1

3m chamber Radiated spurious emission(30MHz-1GHz)

2

3m chamber Radiated spurious emission(9KHz-30MHz)

3

3m chamber Radiated spurious emission(1GHz-18GHz)

4

3m chamber Radiated spurious emission(18GHz-40GHz)

5

Conducted Emission (150kHz-30MHz)

Uncertainty U=4.3dB U=3.7dB U=4.5dB U=3.34dB U=3.20dB

6

Conducted Adjacent channel power

U=1.38dB

7

Conducted output power uncertainty Above 1G U=1.576dB

8

Conducted output power uncertainty below 1G U=1.28dB

9

humidity uncertainty

U=5.3%

10

Temperature uncertainty

U=0.59

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Report No.: BCTC2405480826E

4. Product Information and Test Setup

4.1 Product Information

Model/Type reference:
Model differences: Hardware Version: Software Version: Operation Frequency: Type of Modulation: Number Of Channel Antenna installation: Antenna Gain: Remark: power supply: Battery:

EH45,ALFF-1,ALFF-2,Z100,Z200,Z300,Z400,Z500,Z600,Z700,Z800,Z900,Z1000,Z200 0,Z3000,Z4000,Z5000,Z6000,Z7000,Z8000,Z9000 These models are identical in circuitry and electrical, mechanical and physical construction; Only the appearance is different; We chose EH45 as the final test prototype N/A
N/A
Bluetooth: 2402-2480MHz
Bluetooth: GFSK, / 4 DQPSK
79CH
Internal antenna
-0.68dBi The antenna gain of the product comes from the antenna report provided by the customer, and the test data is affected by the customer information. Input: 5V ,200mA, 1W
DC 3.7V, 300mAh

4.2 Test Setup Configuration

See test photographs attached in eut test setup photographs for the actual connections between product and support equipment.
Conducted Emission:

E-1 EUT

E-2 Adapter

Radiated Spurious Emission
E-1 EUT

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Report No.: BCTC2405480826E

4.3 Support Equipment

No.

Device Type

Headworn

E-1

Bluetooth noise cancelling

headphones

E-2

Adapter

Brand N/A N/A

Model EH45 N/A

Series No.

Note

N/A

EUT

N/A

Auxiliary

Item Shielded Type Ferrite Core

Length

Note

C-1

N/A

N/A

N/A

N/A

Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer's requirements and conditions for the intended use.

4.4 Channel List

CH

Frequency (MHz)

CH

Frequency (MHz)

CH

Frequency (MHz)

CH

Frequency (MHz)

0

2402

1

2403

2

2404

3

2405

4

2406

5

2407

6

2408

7

2409

8

2410

9

2411

10

2412

11

2413

12

2414

13

2415

14

2416

15

2417

16

2418

17

2419

18

2420

19

2421

20

2422

21

2423

22

2424

23

2425

24

2426

25

2427

26

2428

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

54

2456

55

2457

56

2458

57

2459

58

2460

59

2461

60

2462

61

2463

62

2464

63

2465

64

2466

65

2467

66

2468

67

2469

68

2470

69

2471

70

2472

71

2473

72

2474

73

2475

74

2476

75

2477

76

2478

77

2479

78

2480

79

/

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4.5 Test Mode

Report No.: BCTC2405480826E

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 above was evaluated respectively.

Test Mode

Test mode

Low channel Middle channel High channel

1

Transmitting(GFSK)

2402MHz

2441MHz

2480MHz

2

Transmitting(/ 4 DQPSK) 2402MHz

2441MHz

2480MHz

4

Transmitting (Conducted emission & Radiated emission)

Note: (1) The measurements are performed at the highest, middle, lowest available channels. (2) Fully-charged battery is used during the test

4.6 Table Of Parameters Of Text 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

Test software Version Frequency Parameters

2402 MHz DEF

FCC_assist 1.0.1.2 2441 MHz DEF

2480 MHz DEF

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Report No.: BCTC2405480826E

5. Test Facility And Test Instrument Used

5.1 Test Facility
All measurement facilities used to collect the measurement data are located at Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China. The site and apparatus are constructed in conformance with the requirements of ANSI C63.4 and CISPR 16-1-1 other equivalent standards. FCC Test Firm Registration Number: 712850 IC Registered No.: 23583
5.2 Test Instrument Used

Equipment Receiver
LISN Software Pulse limiter

Manufacturer R&S R&S Frad
Schwarzbeck

Conducted Emissions Test

Model#

Serial#

ESR3

102075

ENV216 EZ-EMC VTSD 9561-F

101375
EMC-CON 3A1
01323

Last Cal. May 16, 2024 May 16, 2024
\ May 16, 2024

Next Cal. May 15, 2025 May 15, 2025
\ May 15, 2025

Equipment Manufacturer

Power meter
Power Sensor (AV) Signal
Analyzer20kH z-26.5GHz Spectrum
Analyzer9kHz40GHz

Keysight Keysight Keysight
R&S

RF Conducted Test

Model#

Serial#

E4419

\

E9300A

\

Last Cal. May 16, 2024 May 16, 2024

Next Cal. May 15, 2025 May 15, 2025

N9020A

MY49100060 May 16, 2024 May 15, 2025

FSP40

100363

May 16, 2024 May 15, 2025

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Report No.: BCTC2405480826E

Radiated Emissions Test (966 Chamber)

Equipment Manufacturer

Model#

Serial#

Last Cal.

966 chamber ChengYu

966 Room

966

May 16, 2024

Receiver

R&S

ESR3

102075

May 16, 2024

Receiver

R&S

ESRP

101154

May 16, 2024

Amplifier
TRILOG Broadband
Antenna Loop
Antenna(9KHz -30MHz)
Amplifier
Horn Antenna
Amplifier(18G Hz-40GHz) Horn
Antenn(18GH z-40GHz) Spectrum
Analyzer9kHz40GHz
Software

Schwarzbeck Schwarzbeck
Schwarzbeck SKET
Schwarzbeck MITEQ
Schwarzbeck
R&S Frad

BBV9744 VULB9163

9744-0037 942

FMZB1519B

00014

LAPA_01G18 G-45dB
BBHA9120D
TTA1840-35HG

SK202104090 1
1541
2034381

BBHA9170

00822

FSP40 EZ-EMC

100363 FA-03A2 RE

May 16, 2024 May 29, 2023
May 31, 2023 May 16, 2024 May 31, 2023 May 16, 2024 May 31, 2023
May 16, 2024 \

Next Cal. May 15, 2025 May 15, 2025 May 15, 2025 May 15, 2025 May 28, 2024
May 30, 2024 May 15, 2025 May 30, 2024 May 15, 2025 May 30, 2024
May 15, 2025 \

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6. Conducted Emissions 6.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

6.2 Limit

Frequency (MHz)

Limit (dBuV)

Quas-peak

Average

0.15 -0.5

66 - 56 *

56 - 46 *

0.50 -5.0

56.00

46.00

5.0 -30.0

60.00

Notes: 1. *Decreasing linearly with logarithm of frequency. 2. The lower limit shall apply at the transition frequencies.

50.00

6.3 Test procedure
Receiver Parameters Attenuation
Start Frequency Stop Frequency
IF Bandwidth

Setting 10 dB 0.15 MHz 30 MHz 9 kHz

a. The Product was placed on a nonconductive table 0.8 m above the horizontal ground reference plane, and 0.4 m from the vertical ground reference plane, and connected to the main through Line Impedance Stability Network (L.I.S.N). b. The RBW of the receiver was set at 9 kHz in 150 kHz ~ 30MHz with Peak and AVG detector in Max Hold mode. Run the receiver's pre-scan to record the maximum disturbance generated from Product in all power lines in the full band. c. For each frequency whose maximum record was higher or close to limit, measure its QP and AVG values and record.

6.4 EUT operating Conditions
The EUT was configured for testing in a typical fashion (as a customer would normally use it). The EUT has been programmed to continuously transmit during test. This operating condition was tested and used to collect the included data.

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6.5 Test Result
Temperature: Pressure: Test Mode:

26  101KPa Mode 4

Report No.: BCTC2405480826E

Relative Humidity: Phase : Test Voltage :

54% L AC120V/60Hz

Remark: 1. All readings are Quasi-Peak and Average values. 2. Factor = Insertion Loss + Cable Loss. 3. Measurement = Reading Level + Correct Factor 4. Over = Measurement - Limit

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Temperature: Pressure: Test Mode:

26  101KPa Mode 4

Report No.: BCTC2405480826E

Relative Humidity: Phase : Test Voltage :

54% N AC120V/60Hz

Remark: 1. All readings are Quasi-Peak and Average values. 2. Factor = Insertion Loss + Cable Loss. 3. Measurement = Reading Level + Correct Factor 4. Over = Measurement - Limit

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7. Radiated emissions 7.1 Block Diagram Of Test Setup
ARadiated Emission Test-Up Frequency Below 30MHz

Report No.: BCTC2405480826E

BRadiated Emission Test-Up Frequency 30MHz~1GHz

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CRadiated Emission Test-Up Frequency Above 1GHz

Report No.: BCTC2405480826E

7.2 Limit

20dBc in any 100 kHz bandwidth outside the operating frequency band. In case the emission fall within the restricted band specified on 15.205(a), then the 15.209(a) limit in the table below has to be followed.

Frequency (MHz)
0.009 ~ 0.490 0.490 ~ 1.705
1.705 ~ 30 30 ~ 88 88 ~ 216
216 ~ 960 Above 960

Field Strength uV/m
2400/F(kHz) 24000/F(kHz)
30 100 150 200 500

Distance (m) 300 30 30 3 3 3 3

Field Strength Limit at 3m Distance

uV/m 10000 * 2400/F(kHz) 100 * 24000/F(kHz)
100 * 30 100 150 200 500

dBuV/m 20log(2400/F(kHz)) + 80 20log(24000/F(kHz)) + 40
20log(30) + 40 20log(100) 20log(150) 20log(200) 20log(500)

Limits Of Radiated Emission Measurement (Above 1000MHz)

Frequency (MHz) Above 1000

Peak 74

Limit (dBuV/m) (at 3M)

Average 54

Notes: (1)The limit for radiated test was performed according to FCC PART 15C. (2)The tighter limit applies at the band edges. (3) Emission level (dBuV/m)=20log Emission level (uV/m).

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Frequency Range Of Radiated Measurement

Report No.: BCTC2405480826E

(a) For an intentional radiator the spectrum shall be investigated from the lowest radio frequency signal generated in the device, without going below 9 kHz, up to at least the frequency shown in this paragraph:

(1) If the intentional radiator operates below 10 GHz: to the tenth harmonic of the highest fundamental frequency or to 40 GHz, whichever is lower.

(2) If the intentional radiator operates at or above 10 GHz and below 30 GHz: to the fifth harmonic of the highest fundamental frequency or to 100 GHz, whichever is lower.

(3) If the intentional radiator operates at or above 30 GHz: to the fifth harmonic of the highest fundamental frequency or to 200 GHz, whichever is lower, unless specified otherwise elsewhere in the rules.

(4) If the intentional radiator operates at or above 95 GHz: To the third harmonic of the highest fundamental frequency or to 750 GHz, whichever is lower, unless specified otherwise elsewhere in the rules.

(5) If the intentional radiator contains a digital device, regardless of whether this digital device controls the functions of the intentional radiator or the digital device is used for additional control or function purposes other than to enable the operation of the intentional radiator, the frequency range shall be investigated up to the range specified in paragraphs (a) (1)through (4) of this section or the range applicable to the digital device, as shown in paragraph (b)(1) of this section, whichever is the higher frequency range of investigation.

7.3 Test procedure
Receiver Parameter Attenuation
9kHz~150kHz 150kHz~30MHz 30MHz~1000MHz

Setting Auto
RBW 200Hz for QP RBW 9kHz for QP RBW 120kHz for QP

Spectrum Parameter 1-25GHz

Setting RBW 1 MHz /VBW 1 MHz for Peak, RBW 1 MHz / VBW 10Hz for Average

Below 1GHz test procedure as below:
a. The EUT was placed on the top of a rotating table 0.8 meters above the ground at a 3 meter semi-anechoic camber. The table was rotated 360 degrees to determine the position of the highest radiation.
b. The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower.
c. The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement.

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Report No.: BCTC2405480826E d. For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters (for the test frequency of below 30MHz, the antenna was tuned to heights 1 meter) and the rotatable table was turned from 0 degrees to 360 degrees to find the maximum reading.
e. The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode.
f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet.
Above 1GHz test procedure as below:
a.The EUT was placed on the top of a rotating table 1.5 meters above the ground at a 3 meter camber. The table was rotated 360 degrees to determine the position of the highest radiation.
b.The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower.
c.The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement.
d.For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters and the rota table was turned from 0 degrees to 360 degrees to find the maximum reading.
e.The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode.
f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet.
g. Test the EUT in the lowest channel, the middlest channel, the Highest channel.
Note:
Both horizontal and vertical antenna polarities were tested and performed pretest to three orthogonal axis. The worst case emissions were reported.
7.4 EUT operating Conditions
The EUT was configured for testing in a typical fashion (as a customer would normally use it). The EUT has been programmed to continuously transmit during test. This operating condition was tested and used to collect the included data.

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7.5 Test Result

Temperature: Pressure: Test Mode:

26  101KPa Mode 4

Report No.: BCTC2405480826E

Below 30MHz Relative Humidity: Test Voltage :

54% DC 3.7V

Freq. (MHz)
---

Reading (dBuV/m)
---

Limit (dBuV/m)
---

Margin (dB) ---

State P/F PASS PASS

Note: The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported. Distance extrapolation factor =40 log (specific distance/test distance)(dB); Limit line = specific limits(dBuv) + distance extrapolation factor.

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Temperature: Pressure: Test Mode:

Report No.: BCTC2405480826E

26  101KPa Mode 4

Between 30MHz ­ 1GHz
Relative Humidity: Phase : Test Voltage :

54% Horizontal DC 3.7V

Remark: 1. Factor = Antenna Factor + Cable Loss ­ Pre-amplifier. 2. Measurement = Reading Level + Correct Factor 3. Over = Measurement - Limit

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Temperature: Pressure: Test Mode:

26  101KPa Mode 4

Report No.: BCTC2405480826E

Relative Humidity: Phase : Test Voltage :

54% Vertical DC 3.7V

Remark: 1. Factor = Antenna Factor + Cable Loss ­ Pre-amplifier. 2. Measurement = Reading Level + Correct Factor 3. Over = Measurement - Limit

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Report No.: BCTC2405480826E

Between 1GHz ­ 25GHz

Polar (H/V)
V V V V H H H H
V V V V H H H H
V V V V H H H H

Frequency
(MHz)
4804.00 4804.00 7206.00 7206.00 4804.00 4804.00 7206.00 7206.00
4882.00 4882.00 7323.00 7323.00 4882.00 4882.00 7323.00 7323.00
4960.00 4960.00 7440.00 7440.00 4960.00 4960.00 7440.00 7440.00

Reading Level

Correct Factor

Measurement

(dBuV/m)

(dB)

(dBuV/m)

72.53 62.48 64.75 55.21 71.00 61.73 62.78 55.70
71.32 62.77 62.41 54.28 69.24 58.48 60.03 51.07
73.14 63.79 65.99 56.35 71.36 61.35 63.91 56.62

GFSK Low channel

-19.99

52.54

-19.99

42.49

-14.22

50.53

-14.22

40.99

-19.99

51.01

-19.99

41.74

-14.22

48.56

-14.22

41.48

GFSK Middle channel

-19.84

51.48

-19.84

42.93

-13.90

48.51

-13.90

40.38

-19.84

49.40

-19.84

38.64

-13.90

46.13

-13.90

37.17

GFSK High channel

-19.68

53.46

-19.68

44.11

-13.57

52.42

-13.57

42.78

-19.68

51.68

-19.68

41.67

-13.57

50.34

-13.57

43.05

Limits
(dBuV/ m)
74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00
74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00
74.00 54.00 74.00 54.00 74.00 54.00 74.00 54.00

Over
(dB)
-21.46 -11.51 -23.47 -13.01 -22.99 -12.26 -25.44 -12.52
-22.52 -11.07 -25.49 -13.62 -24.60 -15.36 -27.87 -16.83
-20.54 -9.89 -21.58 -11.22 -22.32 -12.33 -23.66 -10.95

Detector Type
PK AV PK AV PK AV PK AV
PK AV PK AV PK AV PK AV
PK AV PK AV PK AV PK AV

Remark:

1.Emission Level = Meter Reading + Factor, Factor = Antenna Factor + Cable Loss ­ Pre-amplifier. Over= Emission Level - Limit

2.If peak below the average limit, the average emission was no test.

3. In restricted bands of operation, The spurious emissions below the permissible value more than 20dB

4. The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported.

5.All the Modulation are test, the worst mode is GFSK, the data recording in the report.

No.BCTC/RF-EMC-005

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EditionB.2

Report No.: BCTC2405480826E
8. Radiated Band Emission Measurement and Restricted Bands of Operation 8.1 Block Diagram Of Test Setup
Radiated Emission Test-Up Frequency Above 1GHz
8.2 Limit
FCC Part15 C Section 15.209 and 15.205

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Limits Of Radiated Emission Measurement (Above 1000MHz)

Report No.: BCTC2405480826E

Frequency (MHz) Above 1000

Peak 74

Limit (dBuV/m) (at 3M) Average 54

Notes: (1)The limit for radiated test was performed according to FCC PART 15C. (2)The tighter limit applies at the band edges. (3)Emission level (dBuV/m)=20log Emission level (uV/m).

8.3 Test procedure

Receiver Parameter Attenuation
Start Frequency Stop Frequency RB / VB (Emission In Restricted Band)

Setting Auto
2300MHz 2520
1 MHz / 1 MHz for Peak, 1 MHz / 10Hz for Average

Above 1GHz test procedure as below: a.The EUT was placed on the top of a rotating table 1.5 meters above the ground at a 3 meter camber. The table was rotated 360 degrees to determine the position of the highest radiation.
b.The EUT was set 3 meters away from the interference-receiving antenna, which was mounted on the top of a variable-height antenna tower.
c.The antenna height is varied from one meter to four meters above the ground to determine the maximum value of the field strength. Both horizontal and vertical polarizations of the antenna are set to make the measurement.
d.For each suspected emission, the EUT was arranged to its worst case and then the antenna was tuned to heights from 1 meter to 4 meters and the rota table was turned from 0 degrees to 360 degrees to find the maximum reading.
e.The test-receiver system was set to Peak Detect Function and Specified Bandwidth with Maximum Hold Mode.
f. If the emission level of the EUT in peak mode was 10dB lower than the limit specified, then testing could be stopped and the peak values of the EUT would be reported. Otherwise the emissions that did not have 10dB margin would be re-tested one by one using peak, quasi-peak or average method as specified and then reported in a data sheet.
g. Test the EUT in the lowest channel, the middlest channel, the Highest channel.
Note: Both horizontal and vertical antenna polarities were tested and performed pretest to three orthogonal axis. The worst case emissions were reported.

8.4 EUT operating Conditions

The EUT was configured for testing in a typical fashion (as a customer would normally use it). The EUT has been programmed to continuously transmit during test. This operating condition was tested and used to collect the included data.

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8.5 Test Result

Report No.: BCTC2405480826E

Test mode GFSK
/4DQPSK Remark:

Polar (H/V)
H H V V
H H V V
H H V V
H H V V

Frequency (MHz)
2390.00 2400.00 2390.00 2400.00
2483.50 2500.00 2483.50 2500.00
2390.00 2400.00 2390.00 2400.00
2483.50 2500.00 2483.50 2500.00

Reading Level
(dBuV/m)

Correct Factor
(dB)

Measurement
(dBuV/m)
PK

Low Channel 2402MHz

73.43

-25.43

48.00

75.62

-25.40

50.22

74.14

-25.43

48.71

74.89

-25.40

49.49

High Channel 2480MHz

73.38

-25.15

48.23

69.32

-25.10

44.22

73.95

-25.15

48.80

70.21

-25.10

45.11

Low Channel 2402MHz

73.59

-25.43

48.16

75.89

-25.40

50.49

73.18

-25.43

47.75

73.79

-25.40

48.39

High Channel 2480MHz

72.62

-25.15

47.47

70.08

-25.10

44.98

72.87

-25.15

47.72

69.04

-25.10

43.94

Limits (dBuV/m)
PK AV

74.00 74.00 74.00 74.00

54.00 54.00 54.00 54.00

74.00 74.00 74.00 74.00

54.00 54.00 54.00 54.00

74.00 74.00 74.00 74.00

54.00 54.00 54.00 54.00

74.00 74.00 74.00 74.00

54.00 54.00 54.00 54.00

Result
PASS PASS PASS PASS
PASS PASS PASS PASS
PASS PASS PASS PASS
PASS PASS PASS PASS

1. Emission Level = Meter Reading + Factor, Factor = Antenna Factor + Cable Loss ­ Pre-amplifier. Over= Emission Level - Limit

2. If the PK measured levels comply with average limit, then the average level were deemed to comply with average limit.

3 In restricted bands of operation, The spurious emissions below the permissible value more than 20dB

4. The amplitude of spurious emissions which are attenuated by more than 20dB below the permissible value has no need to be reported.

No.BCTC/RF-EMC-005

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EditionB.2

9. Spurious RF Conducted Emissions 9.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

9.2 Limit
Regulation 15.247 (d),In any 100 kHz bandwidth outside the frequency band in which the spread spectrum or digitally modulated intentional radiator is operating, the radio frequency power that is produced by the intentional radiator 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 the transmitter demonstrates compliance with the peak conducted power limits. If the transmitter complies with the conducted power limits based on the use of RMS averaging over a time interval, as permitted under paragraph (b)(3) of this section, the attenuation required under this paragraph shall be 30 dB instead of 20 dB. Attenuation below the general limits specified in §15.209(a) is not required. In addition, radiated emissions which fall in the restricted bands, as defined in §15.205(a), must also comply with the radiated emission limits specified in §15.209(a) (see §15.205(c))
9.3 Test procedure
1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum; 2. Set the spectrum analyzer: Below 30MHz: RBW = 100kHz, VBW = 300kHz, Sweep = auto Detector function = peak, Trace = max hold Above 30MHz: RBW = 100KHz, VBW = 300KHz, Sweep = auto Detector function = peak, Trace = max hold

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EditionB.2

9.4 Test Result

Report No.: BCTC2405480826E
Test Graphs Tx. Spurious NVNT 1-DH5 2402MHz Ant1 Ref

Tx. Spurious NVNT 1-DH5 2402MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 28 of 65

EditionB.2

Report No.: BCTC2405480826E Tx. Spurious NVNT 1-DH5 2441MHz Ant1 Ref
Tx. Spurious NVNT 1-DH5 2441MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 29 of 65

EditionB.2

Report No.: BCTC2405480826E Tx. Spurious NVNT 1-DH5 2480MHz Ant1 Ref
Tx. Spurious NVNT 1-DH5 2480MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 30 of 65

EditionB.2

Report No.: BCTC2405480826E Tx. Spurious NVNT 2-DH5 2402MHz Ant1 Ref
Tx. Spurious NVNT 2-DH5 2402MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 31 of 65

EditionB.2

Report No.: BCTC2405480826E Tx. Spurious NVNT 2-DH5 2441MHz Ant1 Ref
Tx. Spurious NVNT 2-DH5 2441MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 32 of 65

EditionB.2

Report No.: BCTC2405480826E Tx. Spurious NVNT 2-DH5 2480MHz Ant1 Ref
Tx. Spurious NVNT 2-DH5 2480MHz Ant1 Emission

No.BCTC/RF-EMC-005

Page: 33 of 65

EditionB.2

Report No.: BCTC2405480826E Test Graphs Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Ref
Band Edge NVNT 1-DH5 2402MHz Ant1 No-Hopping Emission

No.BCTC/RF-EMC-005

Page: 34 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Ref
Band Edge NVNT 1-DH5 2480MHz Ant1 No-Hopping Emission

No.BCTC/RF-EMC-005

Page: 35 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Ref
Band Edge NVNT 2-DH5 2402MHz Ant1 No-Hopping Emission

No.BCTC/RF-EMC-005

Page: 36 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Ref
Band Edge NVNT 2-DH5 2480MHz Ant1 No-Hopping Emission

No.BCTC/RF-EMC-005

Page: 37 of 65

EditionB.2

Report No.: BCTC2405480826E Test Graphs Band Edge(Hopping) NVNT 1-DH5 2402MHz Ant1 Hopping Ref
Band Edge(Hopping) NVNT 1-DH5 2402MHz Ant1 Hopping Emission

No.BCTC/RF-EMC-005

Page: 38 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge(Hopping) NVNT 1-DH5 2480MHz Ant1 Hopping Ref
Band Edge(Hopping) NVNT 1-DH5 2480MHz Ant1 Hopping Emission

No.BCTC/RF-EMC-005

Page: 39 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge(Hopping) NVNT 2-DH5 2402MHz Ant1 Hopping Ref
Band Edge(Hopping) NVNT 2-DH5 2402MHz Ant1 Hopping Emission

No.BCTC/RF-EMC-005

Page: 40 of 65

EditionB.2

Report No.: BCTC2405480826E Band Edge(Hopping) NVNT 2-DH5 2480MHz Ant1 Hopping Ref
Band Edge(Hopping) NVNT 2-DH5 2480MHz Ant1 Hopping Emission

No.BCTC/RF-EMC-005

Page: 41 of 65

EditionB.2

10. 20 dB Bandwidth 10.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

10.2 Limit
N/A
10.3 Test procedure
1. Set RBW = 30kHz. 2. Set the video bandwidth (VBW)  3 x RBW. 3. Detector = Peak. 4. Trace mode = max hold. 5. Sweep = auto couple. 6. Allow the trace to stabilize. 7. Measure the maximum width of the emission that is constrained by the frequencies associated with the two outermost amplitude points (upper and lower frequencies) that are attenuated by 6 dB relative to the maximum level measured in the fundamental emission.

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10.4 Test Result

Condition NVNT NVNT NVNT NVNT NVNT NVNT

Mode 1-DH5 1-DH5 1-DH5 2-DH5 2-DH5 2-DH5

Frequency (MHz) 2402 2441 2480 2402 2441 2480

Report No.: BCTC2405480826E

-20 dB Bandwidth (MHz) 1.016 1.023 1.031 1.285 1.28 1.307

Verdict Pass Pass Pass Pass Pass Pass

No.BCTC/RF-EMC-005

Page: 43 of 65

EditionB.2

Report No.: BCTC2405480826E Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz Ant1
-20dB Bandwidth NVNT 1-DH5 2441MHz Ant1

No.BCTC/RF-EMC-005

Page: 44 of 65

EditionB.2

Report No.: BCTC2405480826E -20dB Bandwidth NVNT 1-DH5 2480MHz Ant1
-20dB Bandwidth NVNT 2-DH5 2402MHz Ant1

No.BCTC/RF-EMC-005

Page: 45 of 65

EditionB.2

Report No.: BCTC2405480826E -20dB Bandwidth NVNT 2-DH5 2441MHz Ant1
-20dB Bandwidth NVNT 2-DH5 2480MHz Ant1

No.BCTC/RF-EMC-005

Page: 46 of 65

EditionB.2

11. Maximum Peak Output Power 11.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

11.2 Limit

Section 15.247(b)(1)

Test Item
Peak Output Power

FCC Part15 (15.247) , Subpart C

Limit

Frequency Range (MHz)

0.125 watt or 21dBm

2400-2483.5

Result PASS

11.3 Test procedure
1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 2MHz. VBW = 6MHz. Sweep = auto; Detector Function = Peak. 3. Keep the EUT in transmitting at lowest, medium and highest channel individually. Record the max value.

11.4 Test Result

Condition NVNT NVNT NVNT NVNT NVNT NVNT

Mode 1-DH5 1-DH5 1-DH5 2-DH5 2-DH5 2-DH5

Frequency (MHz) 2402 2441 2480 2402 2441 2480

Conducted Power (dBm) 1.60 1.59 0.58 2.16 2.13 1.16

Limit (dBm) 21 21 21 21 21 21

Verdict Pass Pass Pass Pass Pass Pass

No.BCTC/RF-EMC-005

Page: 47 of 65

EditionB.2

Report No.: BCTC2405480826E Test Graphs Power NVNT 1-DH5 2402MHz Ant1
Power NVNT 1-DH5 2441MHz Ant1

No.BCTC/RF-EMC-005

Page: 48 of 65

EditionB.2

Report No.: BCTC2405480826E Power NVNT 1-DH5 2480MHz Ant1
Power NVNT 2-DH5 2402MHz Ant1

No.BCTC/RF-EMC-005

Page: 49 of 65

EditionB.2

Report No.: BCTC2405480826E Power NVNT 2-DH5 2441MHz Ant1
Power NVNT 2-DH5 2480MHz Ant1

No.BCTC/RF-EMC-005

Page: 50 of 65

EditionB.2

12. Hopping Channel Separation 12.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

12.2 Limit
Frequency hopping systems shall have hopping channel carrier frequencies separated by a minimum of 25 kHz or the 20 dB bandwidth of the hopping channel, whichever is greater. Alternatively, frequency hopping systems operating in the 2400-2483.5 MHz band may have hopping channel carrier frequencies that are separated by 25 kHz or two-thirds of the 20 dB bandwidth of the hopping channel, whichever is greater, provided the systems operate with an output power no greater than 0.125W.

12.3 Test procedure
1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set the spectrum analyzer: RBW = 30kHz. VBW = 100kHz , Span = 2.0MHz. Sweep = auto; Detector Function = Peak. Trace = Max hold. 3. Allow the trace to stabilize. Use the marker-delta function to determine the separation between the peaks of the adjacent channels. The limit is specified in one of the subparagraphs of this Section Submit this plot.

12.4 Test Result

Condition Mode

NVNT NVNT NVNT NVNT NVNT NVNT

1-DH5 1-DH5 1-DH5 2-DH5 2-DH5 2-DH5

Hopping Freq1 (MHz)
2401.992 2440.994 2478.99 2401.998 2440.994 2478.996

Hopping Freq2 (MHz) 2402.99
2441.996 2480.014 2402.994 2441.996 2479.99

HFS (MHz) 0.998 1.002 1.024 0.996 1.002 0.994

Limit (MHz) 0.677 0.682 0.687 0.857 0.853 0.871

Verdict
Pass Pass Pass Pass Pass Pass

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EditionB.2

Report No.: BCTC2405480826E Test Graphs CFS NVNT 1-DH5 2402MHz Ant1
CFS NVNT 1-DH5 2441MHz Ant1

No.BCTC/RF-EMC-005

Page: 52 of 65

EditionB.2

Report No.: BCTC2405480826E CFS NVNT 1-DH5 2480MHz Ant1
CFS NVNT 2-DH5 2402MHz Ant1

No.BCTC/RF-EMC-005

Page: 53 of 65

EditionB.2

Report No.: BCTC2405480826E CFS NVNT 2-DH5 2441MHz Ant1
CFS NVNT 2-DH5 2480MHz Ant1

No.BCTC/RF-EMC-005

Page: 54 of 65

EditionB.2

13. Number of Hopping Frequency 13.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

13.2 Limit
Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels.

13.3 Test procedure
1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum.
2. Set the spectrum analyzer: RBW = 100kHz. VBW = 300kHz. Sweep = auto; Detector Function = Peak. Trace = Max hold.
3. Allow the trace to stabilize. It may prove necessary to break the span up to sections. in order to clearly show all of the hopping frequencies. The limit is specified in one of the subparagraphs of this Section.
4. Set the spectrum analyzer: Start Frequency = 2.4GHz, Stop Frequency = 2.4835GHz. Sweep=auto;

13.4 Test Result
Condition NVNT NVNT

Mode 1-DH5 2-DH5

Hopping Number 79 79

Limit 15 15

Verdict Pass Pass

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EditionB.2

Report No.: BCTC2405480826E Test Graphs Hopping No. NVNT 1-DH5 2402MHz Ant1
Hopping No. NVNT 2-DH5 2402MHz Ant1

No.BCTC/RF-EMC-005

Page: 56 of 65

EditionB.2

14. Dwell Time 14.1 Block Diagram Of Test Setup

Report No.: BCTC2405480826E

14.2 Limit
Frequency hopping systems in the 2400-2483.5 MHz band shall use at least 15 channels. The average time of occupancy on any channel shall not be greater than 0.4 seconds within a period of 0.4 seconds multiplied by the number of hopping channels employed. Frequency hopping systems may avoid or suppress transmissions on a particular hopping frequency provided that a minimum of 15 channels are used.
14.3 Test procedure
1. Remove the antenna from the EUT and then connect a low RF cable from the antenna port to the spectrum. 2. Set spectrum analyzer span = 0. Centred on a hopping channel; 3. Set RBW = 1MHz and VBW = 3MHz.Sweep = as necessary to capture the entire dwell time per hopping channel. Set the EUT for DH5, DH3 and DH1 packet transmitting. 4. Use the marker-delta function to determine the dwell time. If this value varies with different modes of operation (e.g.. data rate. modulation format. etc.). repeat this test for each variation. The limit is specified in one of the subparagraphs of this Section. Submit this plot(s).
14.4 Test Result
DH5 Packet permit maximum 1600 / 79 / 6 hops per second in each channel (5 time slots RX, 1 time slot TX). DH3 Packet permit maximum 1600 / 79 / 4 hops per second in each channel (3 time slots RX, 1 time slot TX). DH1 Packet permit maximum 1600 / 79 /2 hops per second in each channel (1 time slot RX, 1 time slot TX). So, the Dwell Time can be calculated as follows:
DH5:1600/79/6*0.4*79*(MkrDelta)/1000 DH3:1600/79/4*0.4*79*(MkrDelta)/1000 DH1:1600/79/2*0.4*79*(MkrDelta)/1000 Remark: Mkr Delta is once pulse time.

No.BCTC/RF-EMC-005

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EditionB.2

Condition Mode

NVNT NVNT NVNT NVNT NVNT NVNT

1-DH1 1-DH3 1-DH5 2-DH1 2-DH3 2-DH5

Frequency (MHz) 2441 2441 2441 2441 2441 2441

Report No.: BCTC2405480826E

Pulse Time (ms) 0.382 1.638 2.886 0.392 1.643 2.892

Total Dwell Time (ms)
122.240 271.908 323.232 125.048 248.093 306.552

Limit (ms) 400 400 400 400 400 400

Verdict
Pass Pass Pass Pass Pass Pass

No.BCTC/RF-EMC-005

Page: 58 of 65

EditionB.2

Report No.: BCTC2405480826E Test Graphs Dwell NVNT 1-DH1 2441MHz Ant1 One Burst
Dwell NVNT 1-DH3 2441MHz Ant1 One Burst

No.BCTC/RF-EMC-005

Page: 59 of 65

EditionB.2

Report No.: BCTC2405480826E Dwell NVNT 1-DH5 2441MHz Ant1 One Burst
Dwell NVNT 2-DH1 2441MHz Ant1 One Burst

No.BCTC/RF-EMC-005

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EditionB.2

Report No.: BCTC2405480826E Dwell NVNT 2-DH3 2441MHz Ant1 One Burst
Dwell NVNT 2-DH5 2441MHz Ant1 One Burst

No.BCTC/RF-EMC-005

Page: 61 of 65

EditionB.2

15. Antenna Requirement

Report No.: BCTC2405480826E

15.1 Limit
15.203 requirement: For intentional device, according to 15.203: 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.
15.2 Test Result
The EUT antenna is internal antenna, fulfill the requirement of this section.

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16. EUT Test Setup Photographs
Conducted Emission Measurement Photos

Report No.: BCTC2405480826E

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Radiated Measurement Photos

Report No.: BCTC2405480826E

No.BCTC/RF-EMC-005

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STATEMENT

Report No.: BCTC2405480826E

1.The equipment lists are traceable to the national reference standards. 2.The test report can not be partially copied unless prior written approval is issued from our lab. 3.The test report is invalid without stamp of laboratory. 4.The test report is invalid without signature of person(s) testing and authorizing. 5.The test process and test result is only related to the Unit Under Test.
6.The quality system of our laboratory is in accordance with ISO/IEC17025. 7.If there is any objection to report, the client should inform issuing laboratory within 15 days from the date of receiving test report.
Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China TEL400-788-9558 P. C.: 518103 FAX0755-33229357 Websitehttp://www.chnbctc.com Consultation E-mail: [email protected] Complaint/Advice E-mail: [email protected]

 END 

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