kehuitong Technology Co.,Ltd Test Report LTE band 38

Test Report LTE band 38

Shenzhen kehuitong Technology Co.,Ltd U100 2BE8S-U100 2BE8SU100 u100

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Shenzhen CTA Testing Technology Co., Ltd.
Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen, China

TEST REPORT
FCC Part 27

Report Reference No......................: CTA24052101815 FCC ID..............................................: 2BE8S-U100 Compiled by
( position+printed name+signature) .: File administrators Jinghua Xiao
Supervised by ( position+printed name+signature) .:
Project Engineer Lushan Kong

Approved by
( position+printed name+signature) .: RF Manager Eric Wang
Date of issue.....................................: May 29, 2024

Testing Laboratory Name ..............: Shenzhen CTA Testing Technology Co., Ltd.

Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Address ............................................:
Fuhai Street, Bao`an District, Shenzhen, China

Applicant's name ............................: Shenzhen kehuitong Technology Co., Ltd.

Address ............................................:

F3.830306G, 3rd Floor, Tianan Code City Tianjing Building, No.6 Tianan Road, Shatou Street, Futian District, Shenzhen, China

Test specification ...........................:

FCC CFR Title 47 Part 2, Part 27 Standard ...........................................: ANSI/TIA-603-E-2016
KDB 971168 D01 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context.
Test item description......................: mobile phone
Trade Mark .......................................: Aidekunlin
Manufacturer ...................................: Shenzhen kehuitong Technology Co., Ltd.
Model/Type reference.......................: U100 U24, U25, U26, U27, U28, U29, U30, U31, U32, U33, U34, U35,
Listed Models ..................................: U70, U70U, U80, U80U, U90, U90U, U60, U12pro, U13pro, U14pro, U27pro, U200, U300, U400, U500, U600, U700
Ratings .............................................: DC 3.8V From battery and DC 5.0V From external circuit
Modulation .......................................: QPSK, 16QAM
Frequency.......................................... E-UTRA Band 38
Result................................................: PASS

Report No.: CTA24052101815
TEST REPORT

Page 2 of 23

Equipment under Test : mobile phone

Model /Type Listed Models
Applicant

: U100
: U24, U25, U26, U27, U28, U29, U30, U31, U32, U33, U34, U35, U70, U70U, U80, U80U, U90, U90U, U60, U12pro, U13pro, U14pro, U27pro, U200, U300, U400, U500, U600, U700
: Shenzhen kehuitong Technology Co., Ltd.

Address

: F3.830306G, 3rd Floor, Tianan Code City Tianjing Building, No.6 Tianan Road, Shatou Street, Futian District, Shenzhen, China

Manufacturer

: Shenzhen kehuitong Technology Co., Ltd.

Address

: F3.830306G, 3rd Floor, Tianan Code City Tianjing Building, No.6 Tianan Road, Shatou Street, Futian District, Shenzhen, China

Test result

Pass *

* In the configuration tested, the EUT complied with the standards specified page 4.
The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory.

Report No.: CTA24052101815

Page 3 of 23

Contents
1 SUMMARY ............................................................................................................................................................4
1.1 TEST STANDARDS .................................................................................................................................................4 1.2 TEST DESCRIPTION ....................................................................................................................................................4 1.3 ADDRESS OF THE TEST LABORATORY ..............................................................................................................................4 1.4 TEST FACILITY...........................................................................................................................................................4 1.5 STATEMENT OF THE MEASUREMENT UNCERTAINTY ...........................................................................................................5
2 GENERAL INFORMATION.......................................................................................................................................6
2.1 ENVIRONMENTAL CONDITIONS.....................................................................................................................................6 2.2 GENERAL DESCRIPTION OF EUT...................................................................................................................................6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY ......................................................................................................6 2.4 EQUIPMENTS USED DURING THE TEST...........................................................................................................................7 2.5 RELATED SUBMITTAL(S) / GRANT (S).............................................................................................................................7 2.6 MODIFICATIONS .......................................................................................................................................................7
3 TEST CONDITIONS AND RESULTS ...........................................................................................................................8
3.1 OUTPUT POWER.......................................................................................................................................................8 3.2 PEAK-TO-AVERAGE RATIO (PAR) ...............................................................................................................................14 3.3 OCCUPIED BANDWIDTH AND EMISSION BANDWIDTH .....................................................................................................15 3.4 BAND EDGE COMPLIANCE.........................................................................................................................................16 3.5 SPURIOUS EMISSION ...............................................................................................................................................17 3.6 FREQUENCY STABILITY UNDER TEMPERATURE & VOLTAGE VARIATIONS ..............................................................................21
4 TEST SETUP PHOTOS OF THE EUT ........................................................................................................................ 23
5 PHOTOS OF THE EUT ........................................................................................................................................... 23

Report No.: CTA24052101815

Page 4 of 23

1 SUMMARY

1.1 TEST STANDARDS

The tests were performed according to following standards: FCC Part 2: FREQUENCY ALLOCA-TIONS AND RADIO TREATY MAT-TERS; GENERAL RULES AND REG-ULATIONS FCC Part 27 : MISCELLANEOUS WIRELESS COMMUNICATIONS SERVICES ANSI/TIA-603-E-2016: Land Mobile FM or PM Communications Equipment Measurement and Performance Standards. ANSI C63.26-2015: IEEE/ANSI Standard for Compliance Testing of Transmitters Used in Licensed Radio Services FCCKDB971168D01 Power Meas License Digital Systems

1.2 Test Description

Test Item

FCC Rule No.

Requirements

Effective(Isotropic) Radiated Power Output
Data

§2.1046, §27.50(h)

ERP 2W;

Peak-Average Ratio

§2.1046, §27.50

Limit13dB

Modulation Characteristics

§2.1047

Digitalmodulation

Bandwidth

§2.1049

OBW: Nolimit. EBW: Nolimit.

BandEdges Compliance

§2.1051, §27.53(m)

-13dBm/1%*EBW,in1 MHz bands immediately outside and adjacent to
The frequency block.

Spurious Emission at Antenna Terminals

§2.1051, §27.53(m)

-13dBm/1MHz, from 9kHz to10th harmonics but outside authorized
Operating frequency ranges.

Frequency Stability

§2.1055, §27.54

Within authorized bands of operation/frequency block.

Radiated spurious emission

§2.1053, §27.53(m)

-25dBm/1MHz.

NOTE 1:For the verdict, the"N/A"denotes"not applicable",the"N/T"de notes "not tested".

Verdict PASS PASS N/A PASS PASS
PASS PASS PASS

1.3 Address of the test laboratory
Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community,Fuhai Street, Bao'an District, Shenzhen, China
The 3m-Semi anechoic test site fulfils CISPR 16-1-4 according to ANSI C63.4:2014 and CISPR 16-1-4:2010 SVSWR requirement for radiated emission above 1GHz.

1.4 Test Facility
The test facility is recognized, certified, or accredited by the following organizations:
FCC-Registration No.: 517856 Designation Number: CN1318 Shenzhen CTA Testing Technology Co., Ltd. has been listed on the US Federal Communications Commission list of test facilities recognized to perform electromagnetic emissions measurements.
Industry Canada Registration Number. Is: 27890 CAB identifier: CN0127 The Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing.
A2LA-Lab Cert. No.: 6534.01

Report No.: CTA24052101815

Page 5 of 23

Shenzhen CTA Testing Technology Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform electromagnetic emission measurement.
The 3m-Semi anechoic test site fulfils CISPR 16-1-4 according to ANSI C63.10 and CISPR 16-14:2010.

1.5 Statement of the measurement uncertainty
The data and results referenced in this document are true and accurate. The reader is cautioned that there may be errors within the calibration limits of the equipment and facilities. The measurement uncertainty was calculated for all measurements listed in this test report acc. to TR-100028-01"Electromagnetic compatibilityand Radio spectrum Matters (ERM);Uncertainties in the measurementof mobile radio equipment characteristics;Part 1"and TR-100028-02 "Electromagnetic compatibilityand Radio spectrum Matters (ERM);Uncertainties in the measurementof mobile radio equipment characteristics;Part 2 " and is documented in the Shenzhen CTA Testing Technology Co., Ltd. quality system acc. to DIN EN ISO/IEC 17025. Furthermore, component and process variability of devices similar to that tested may result in additional deviation. The manufacturer has the sole responsibility of continued compliance of the device.

Hereafter the best measurement capability for Shenzhen CTA Testing Technology Co., Ltd. is reported:

Test

Range

Measurement Uncertainty

Notes

Radiated Emission

30~1000MHz

4.10 dB

(1)

Radiated Emission

1~18GHz

4.32 dB

(1)

Radiated Emission

18-40GHz

5.54 dB

(1)

Conducted Disturbance

0.15~30MHz

3.12 dB

(1)

Conducted Power

9KHz~18GHz

0.61 dB

(1)

Spurious RF Conducted Emission 9KHz~40GHz

1.22 dB

(1)

Band Edge Compliance of RF Emission

9KHz~40GHz

1.22 dB

(1)

Occupied Bandwidth

9KHz~40GHz

(1)

(1) This uncertainty represents an expanded uncertainty expressed at approximately the 95%

confidence level using a coverage factor of k=1.96.

Report No.: CTA24052101815

Page 6 of 23

2 GENERAL INFORMATION
2.1 Environmental conditions Date of receipt of test sample : May 20, 2024

Testing commenced on

: May 20, 2024

Testing concluded on

: May 29, 2024

During the measurement the environmental conditions were within the listed ranges:

Normal Temperature:

25°C

Relative Humidity:

55 %

Air Pressure:

101 kPa

2.2 General Description of EUT

Product Name: Model/Type reference: Power supply: Adapter information (Auxiliary test supplied by test Lab): Hardware version:
Software version:
Testing sample ID
LTE Operation Band:

mobile phone
U100
DC 3.8V From battery and DC 5.0V From external circuit Model: EP-TA20CBC Input: AC 100-240V 50/60Hz Output: DC 5V 2A V707IK_MB_V6.0_202311 22 V707IK_HDPLUS1600_Q0_V6.0_3_32_20240412_0857_V1.0.3_ HUAX_L300D14_WO_X100 CTA240521018-1# (Engineer sample) CTA240521018-2# (Normal sample)
E-UTRA Band 38

Support Bandwidth:

Band 38: 5MHz,10MHz,15MHz,20MHz,

TX/RXFrequency Range:

E-UTRA Band 38(2570 MHz -2620MHz)

Modulation Type:

QPSK, 16QAM

Release Version:

Release 9

Category:

Cat 4

Antenna Type:

PIFA Antenna

Antenna Gain:

Band 38: 0.40dBi

Note: For more details, refer to the user's manual of the EUT.

2.3 Description of Test Modes and Test Frequency

The EUT has been tested under typical operating condition. The CMW500 used to control the EUT staying in continuous transmitting and receiving mode for testing. Regards to the frequency band operation: the lowestmiddle and highest frequency of channel were selected to perform the test, then shown on this report.

Report No.: CTA24052101815

Page 7 of 23

2.4 Equipments Used during the Test

Test Equipment Manufacturer

Model No.

LISN

R&S

ENV216

LISN EMI Test Receiver

R&S R&S

ENV216 ESPI

EMI Test Receiver Spectrum Analyzer

R&S Agilent

ESCI N9020A

Spectrum Analyzer

R&S

Vector Signal generator
Analog Signal Generator WIDEBAND RADIO
COMMUNICATIO N TESTER
Temperature and humidity meter Ultra-Broadband Antenna Horn Antenna
Loop Antenna
Horn Antenna

Agilent
R&S
CMW500
Chigo Schwarzbeck Schwarzbeck
Zhinan Beijing Hangwei
Dayang

Amplifier

Schwarzbeck

FSP N5182A SML03
R&S
ZG-7020 VULB9163 BBHA 9120D ZN30900C OBH100400 BBV 9745

Amplifier

Taiwan chengyi EMC051845B

Directional coupler
High-Pass Filter
High-Pass Filter Automated filter
bank Power Sensor
Amplifier

NARDA XingBo XingBo Tonscend Agilent Schwarzbeck

4226-10 XBLBQ-GTA18 XBLBQ-GTA27
JS0806-F U2021XA BBV9719

Equipment No.
CTA-308 CTA-314 CTA-307 CTA-306 CTA-301 CTA-337 CTA-305
CTA-304
CTA-302
CTA-326 CTA-310 CTA-309 CTA-311 CTA-336 CTA-312 CTA-313 CTA-303 CTA-402 CTA-403 CTA-404 CTA-405 CTA-406

Calibration Date
2023/08/02

Calibration Due Date
2024/08/01

2023/08/02 2024/08/01

2023/10/17 2023/10/13 2023/10/17

2024/10/16 2024/10/12 2024/10/16

2021/08/07 2024/08/06

2023/08/02 2024/08/01 2023/08/02 2024/08/01 2023/08/02 2024/08/01 2023/08/02 2024/08/01 2023/08/02 2024/08/01

2023/08/02 2024/08/01

2023/08/02 2024/08/01 2023/08/02 2024/08/01

2.5 Related Submittal(s) / Grant (s) This submittal(s) (test report) is intended for filing to comply with of the FCC Part 27 Rules. 2.6 Modifications No modifications were implemented to meet testing criteria.

Report No.: CTA24052101815
3 TEST CONDITIONS AND RESULTS
3.1 Output Power LIMIT The EIRP of mobile transmitters must not exceed 2 Watts for Band 38. TEST CONFIGURATION
Conducted Power Measurement

Page 8 of 23

Radiated Power Measurement:
TEST PROCEDURE The EUT was setup according to EIA/TIA 603D Conducted Power Measurement: a) Place the EUT on a bench and set it in transmitting mode. b) Connect a low loss RF cable from the antenna port to a spectrum analyzer and CMW500 by a
Directional Couple. c) EUT Communicate with CMW500 then selects a channel for testing. d) Add a correction factor to the display of spectrum, and then test. Radiated Power Measurement: a) The EUT shall be placed at the specified height on a support, and in the position closest to
normal use as declared by provider. b) The test antenna shall be oriented initially for vertical polarization and shall be chosen to
correspond to the frequency of the transmitter c) The output of the test antenna shall be connected to the measuring receiver. d) The transmitter shall be switched on and the measuring receiver shall be tuned to the frequency
of the transmitter under test. e) The test antenna shall be raised and lowered through the specified range of height until a
maximum signal level is detected by the measuring receiver.

Report No.: CTA24052101815

Page 9 of 23

f) The transmitter shall then be rotated through 360°in the horizontal plane, until the maximum
signal level is detected by the measuring receiver. g) The test antenna shall be raised and lowered again through the specified range of height until a
maximum signal level is detected by the measuring receiver. h) The maximum signal level detected by the measuring receiver shall be noted. i) The transmitter shall be replaced by a substitution antenna. j) The substitution antenna shall be orientated for vertical polarization and the length of the
substitution antenna shall be adjusted to correspond to the frequency of the transmitter. k) The substitution antenna shall be connected to a calibrated signal generator. l) If necessary, the input attenuator setting of the measuring receiver shall be adjusted in order to
increase the sensitivity of the measuring receiver. m) The test antenna shall be raised and lowered through the specified range of height to ensure
that the maximum signal is received. n) The input signal to the substitution antenna shall be adjusted to the level that produces a level
detected by the measuring receiver, that is equal to the level noted while the transmitter radiated power was measured, corrected for the change of input attenuator setting of the measuring receiver. o) The measurement shall be repeated with the test antenna and the substitution antenna orientated for horizontal polarization. p) The measure of the effective radiated power is the larger of the two levels recorded at the input to the substitution antenna, corrected for gain of the substitution antenna if necessary. q) Test site anechoic chamber refer to ANSI C63.4.

Report No.: CTA24052101815
TEST RESULTS Conducted Measurement:

BW (MHz)
20 20 20 20 20 20 20 20 20 20 20 20 20 20
BW (MHz)
15 15 15 15 15 15 15 15 15 15 15 15 15 15

Modulation RB Size

QPSK

100

16QAM

100

Modulation RB Size

QPSK

16QAM

Page 10 of 23

LTE Band 38

RB Offset
0 49 99 0 24 50 0 0 49 99 0 24 50 0

Channel/Frequency(MHz)

37850 2580 23.23 23.43 23.38 22.42 22.20 22.02 22.40 22.33 22.10 22.44 21.39 21.38 21.42 21.25

38000 2595 23.32 23.74 23.19 22.26 22.22 22.44 22.31 22.18 22.04 22.03 21.18 21.44 21.17 21.16

38150 2610 23.25 23.04 23.11 22.05 22.21 22.05 22.42 22.27 22.11 22.03 21.55 21.23 21.43 21.47

RB Offset
0 37 74 0 20 39 0 0 37 74 0 20 39 0

Channel/Frequency(MHz)

37825 2577.5 23.36 23.76 23.11 22.32 22.12 22.44 22.34 22.33 22.17 22.16 21.37 21.45 21.29 21.31

38000 2595 23.63 23.04 23.04 22.08 22.26 22.23 22.01 22.42 22.05 22.29 21.39 21.29 21.48 21.25

38175 2612.5 23.49 23.28 23.51 22.37 22.10 22.03 22.31 22.40 22.12 22.05 21.44 21.15 21.21 21.38

Tune-up limit (dBm)
24.00
23.00 23.00 23.00
22.00 22.00 Tune-up limit (dBm)
24.00
23.00 23.00 23.00
22.00 22.00

BW (MHz)
10 10 10 10 10 10 10 10 10 10 10 10 10 10
BW (MHz)
5 5 5 5

Modulation RB Size RB Offset

QPSK

16QAM

Modulation RB Size RB Offset

QPSK

Channel/Frequency(MHz)

37800 2575 23.96 23.55 23.04 22.36 22.42 22.17 22.37 22.42 22.23 22.21 21.37 21.22 21.43 21.51

38000 2595 23.83 23.40 23.85 22.08 22.25 22.33 22.16 22.43 22.34 22.05 21.41 21.34 21.43 21.18

38200 2615 23.83 23.23 23.01 22.37 22.36 22.35 22.08 22.27 22.27 22.39 21.42 21.17 21.20 21.31

Channel/Frequency(MHz)

37775 2572.5 23.58 23.16 23.34 22.41

38000 2595 23.35 23.47 23.94 22.45

38225 2617.5 23.34 23.07 23.09 22.21

Tune-up limit (dBm)
24.00
23.00 23.00 23.00
22.00 22.00 Tune-up limit (dBm)
24.00 23.00

Report No.: CTA24052101815

QPSK

16QAM

Page 11 of 23

22.09

22.02

22.28

22.43

22.20

22.41

22.33

22.42

22.06

23.00

22.26

22.05

22.16

22.13

22.28

22.08

23.00

22.02

22.27

22.03

21.29

21.45

21.50

21.28

21.19

21.33

22.00

21.26

21.19

21.55

21.31

21.30

21.36

22.00

Report No.: CTA24052101815

Page 12 of 23

Radiated Measurement: Remark: 1. We were tested all RB Configuration refer 3GPP TS136 521 for each Channel Bandwidth of LTE
FDD Band 38; recorded worst case for each Channel Bandwidth of LTE FDD Band 38. 2. EIRP=PMea(dBm)-Pcl(dB)+PAg(dB)+Ga(dBi)

LTE TDD Band 38_Channel Bandwidth 5MHz_QPSK

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

2572.5 -16.21 4.34

6.88

36.2

2595.0 -15.50 4.36

6.55

36.26

2617.5 -15.75 4.47

6.35

36.5

Burst Average
EIRP (dBm) 22.53 22.95 22.63

Limit (dBm)
33.01 33.01 33.01

Margin (dB)

Polarization

-10.48

-10.06

-10.38

LTE TDD Band 38_Channel Bandwidth 10MHz_QPSK

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2575.0 -17.66 4.34

6.88

36.2

21.08

2595.0 -18.44 4.36

6.55

36.26

20.01

2615.0 -17.94 4.47

6.35

36.5

20.44

Limit (dBm)
33.01 33.01 33.01

Margin (dB)

Polarization

-11.93

-13.00

-12.57

LTE TDD Band 38_Channel Bandwidth 15MHz_QPSK

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2577.5 -16.89 4.34

6.88

36.2

21.85

2595.0 -16.92 4.36

6.55

36.26

21.53

2612.5 -15.63 4.47

6.35

36.5

22.75

Limit (dBm)
33.01 33.01 33.01

Margin (dB)

Polarization

-11.16

-11.48

-10.26

LTE TDD Band 38_Channel Bandwidth 20MHz_QPSK

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2580.0 -18.75 4.34

6.88

36.2

19.99

2595.0 -17.07 4.36

6.55

36.26

21.38

2610.0 -18.54 4.47

6.35

36.5

19.84

Limit (dBm)
33.01 33.01 33.01

Margin (dB)

Polarization

-13.02

-11.63

-13.17

LTE TDD Band 38_Channel Bandwidth 5MHz_16QAM

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2572.5 -15.59 4.34

6.88

36.2

23.15

2595.0 -16.15 4.36

6.55

36.26

22.30

2617.5 -15.19 4.47

6.35

36.5

23.19

Limit (dBm)
33.01 33.01 33.01

Margin (dB)

Polarization

-9.86

-10.71

-9.82

Report No.: CTA24052101815

LTE TDD Band 38_Channel Bandwidth 10MHz_16QAM

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2575.0 -18.67 4.34

6.88

36.2

20.07

2595.0 -18.49 4.36

6.55

36.26

19.96

2615.0 -17.26 4.47

6.35

36.5

21.12

Limit (dBm)
33.01 33.01 33.01

LTE TDD Band 38_Channel Bandwidth 15MHz_16QAM

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2577.5 -16.50 4.34

6.88

36.2

22.24

2595.0 -16.93 4.36

6.55

36.26

21.52

2612.5 -16.11 4.47

6.35

36.5

22.27

Limit (dBm)
33.01 33.01 33.01

LTE TDD Band 38_Channel Bandwidth 20MHz_16QAM

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Antenna Gain(dB)

PAg (dB)

Burst Average
EIRP (dBm)

2580.0 -17.46 4.34

6.88

36.2

21.28

2595.0 -18.97 4.36

6.55

36.26 19.48

2610.0 -18.82 4.47

6.35

36.5

19.56

Limit (dBm)
33.01 33.01 33.01

Page 13 of 23

Margin (dB)

Polarization

-12.94

-13.05

-11.89

Margin (dB)

Polarization

-10.77

-11.49

-10.74

Margin (dB)

Polarization

-11.73

-13.53

-13.45

Report No.: CTA24052101815
3.2 Peak-to-Average Ratio (PAR) LIMIT The Peak-to-Average Ratio (PAR) of the transmission may not exceed 13 dB. TEST CONFIGURATION

Page 14 of 23

TEST PROCEDURE
1. Refer to instrument's analyzer instruction manual for details on how to use the power statistics/CCDF function;
2. Set resolution/measurement bandwidth signal's occupied bandwidth; 3. Set the number of counts to a value that stabilizes the measured CCDF curve; 4. Set the measurement interval as follows:
1). for continuous transmissions, set to 1 ms, 2). for burst transmissions, employ an external trigger that is synchronized with the EUT burst timing sequence, or use the internal burst trigger with a trigger level that allows the burst to stabilize and set the measurement interval to a time that is less than or equal to the burst duration. 5. Record the maximum PAPR level associated with a probability of 0.1%.
TEST RESULTS
------Passed-----Please refer to the appendix test data.

Report No.: CTA24052101815
3.3 Occupied Bandwidth and Emission Bandwidth LIMIT
N/A TEST CONFIGURATION

Page 15 of 23

TEST PROCEDURE
The transmitter output was connected to a calibrated coaxial cable and coupler, the other end of which was connected to a spectrum analyzer. The occupied bandwidth was measured with the spectrum analyzer at low, middle and high channel in each band. The -26dBc Emission bandwidth was also measured and recorded. Set RBW was set to about 1% of emission BW, VBW3 times RBW. -26dBc display line was placed on the screen (or 99% bandwidth), the occupied bandwidth is the delta frequency between the two points where the display line intersects the signal trace.
TEST RESULTS
------Passed-----Please refer to the appendix test data.

Report No.: CTA24052101815

Page 16 of 23

3.4 Band Edge compliance
LIMIT
For LTE TDD Band 38: Per §27.53 (m)(6) Measurement procedure. Compliance with these rules is based on the use of measurement instrumentation employing a resolution bandwidth of 1 megahertz or greater. However, in the 1 MHz bands immediately outside and adjacent to the frequency block a resolution bandwidth of at least one percent of the emission bandwidth of the fundamental emission of the transmitter may be employed; for mobile digital stations, in the 1 megahertz bands immediately outside and adjacent to the frequency block a resolution bandwidth of at least two percent may be employed, except when the 1 megahertz band is 2495-2496 MHz, in which case a resolution bandwidth of at least one percent may be employed. A narrower resolution bandwidth is permitted in all cases to improve measurement accuracy provided the measured power is integrated over the full required measurement bandwidth (i.e. 1 megahertz or 1 percent of emission bandwidth, as specified; or 1 megahertz or 2 percent for mobile digital stations, except in the band 2495-2496 MHz). The emission bandwidth is defined as the width of the signal between two points, one below the carrier center frequency and one above the carrier center frequency, outside of which all emissions are attenuated at least 26 dB below the transmitter power. With respect to television operations, measurements must be made of the separate visual and aural operating powers at sufficiently frequent intervals to ensure compliance with the rules. (m)(4) For mobile digital stations, the attenuation factor shall be not less than 40 + 10 log (P) dB on all frequencies between the channel edge and 5 megahertz from the channel edge, 43 + 10 log (P) dB on all frequencies between 5 megahertz and X megahertz from the channel edge, and 55 + 10 log (P) dB on all frequencies more than X megahertz from the channel edge, where X is the greater of 6 megahertz or the actual emission bandwidth as defined in paragraph (m)(6) of this section. In addition, the attenuation factor shall not be less that 43 + 10 log (P) dB on all frequencies between 2490.5 MHz and 2496 MHz and 55 + 10 log (P) dB at or below 2490.5 MHz. Mobile Satellite Service licensees operating on frequencies below 2495 MHz may also submit a documented interference complaint against BRS licensees operating on channel BRS Channel 1 on the same terms and conditions as adjacent channel BRS or EBS licensees.Show citation box.
TEST CONFIGURATION

TEST PROCEDURE
1. The transmitter output port was connected to base station. 2. The RF output of EUT was connected to the power meter by RF cable and attenuator, the path
loss was compensated to the results for each measurement. 3. Set EUT at maximum power through base station. 4. Select lowest and highest channels for each band and different modulation. 5. Measure Band edge using RMS (Average) detector by spectrum
TEST RESULTS
------Passed-----Please refer to the appendix test data.

Report No.: CTA24052101815

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3.5 Spurious Emission
LIMIT
For LTE TDD Band 38: Per §27.53 (m)(6) Measurement procedure. Compliance with these rules is based on the use of measurement instrumentation employing a resolution bandwidth of 1 megahertz or greater. However, in the 1 MHz bands immediately outside and adjacent to the frequency block a resolution bandwidth of at least one percent of the emission bandwidth of the fundamental emission of the transmitter may be employed; for mobile digital stations, in the 1 megahertz bands immediately outside and adjacent to the frequency block a resolution bandwidth of at least two percent may be employed, except when the 1 megahertz band is 2495-2496 MHz, in which case a resolution bandwidth of at least one percent may be employed. A narrower resolution bandwidth is permitted in all cases to improve measurement accuracy provided the measured power is integrated over the full required measurement bandwidth (i.e. 1 megahertz or 1 percent of emission bandwidth, as specified; or 1 megahertz or 2 percent for mobile digital stations, except in the band 2495-2496 MHz). The emission bandwidth is defined as the width of the signal between two points, one below the carrier center frequency and one above the carrier center frequency, outside of which all emissions are attenuated at least 26 dB below the transmitter power. With respect to television operations, measurements must be made of the separate visual and aural operating powers at sufficiently frequent intervals to ensure compliance with the rules. (m)(4) For mobile digital stations, the attenuation factor shall be not less than 40 + 10 log (P) dB on all frequencies between the channel edge and 5 megahertz from the channel edge, 43 + 10 log (P) dB on all frequencies between 5 megahertz and X megahertz from the channel edge, and 55 + 10 log (P) dB on all frequencies more than X megahertz from the channel edge, where X is the greater of 6 megahertz or the actual emission bandwidth as defined in paragraph (m)(6) of this section. In addition, the attenuation factor shall not be less that 43 + 10 log (P) dB on all frequencies between 2490.5 MHz and 2496 MHz and 55 + 10 log (P) dB at or below 2490.5 MHz. Mobile Satellite Service licensees operating on frequencies below 2495 MHz may also submit a documented interference complaint against BRS licensees operating on channel BRS Channel 1 on the same terms and conditions as adjacent channel BRS or EBS licensees.Show citation box. For LTE FDD Band 66: Per §27.53(h): For operations in the 17101780 MHz and 21102200 MHz bands,
the power of any emission outside a licensee's frequency block shall be attenuated below the
transmitter power (P) by at least 43 + 10 log10(P) dB.

TEST CONFIGURATION

Conducted Spurious Measurement:

Radiated Spurious Measurement:

Report No.: CTA24052101815

Page 18 of 23

TEST PROCEDURE
The EUT was setup according to EIA/TIA 603D
Conducted Spurious Measurement: a. Place the EUT on a bench and set it in transmitting mode. b. Connect a low loss RF cable from the antenna port to a spectrum analyzer and CMW500 by a
Directional Couple. c. EUT Communicate with CMW500 then selects a channel for testing. d. Add a correction factor to the display of spectrum, and then test. e. The resolution bandwidth of the spectrum analyzer was set sufficient scans were taken to show
the out of band Emission if any up to10th harmonic.

Report No.: CTA24052101815

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Radiated Spurious Measurement:

a. The EUT shall be placed at the specified height on a support, and in the position closest to normal use as declared by provider.
b. The test antenna shall be oriented initially for vertical polarization and shall be chosen to correspond to the frequency of the transmitter
c. The output of the test antenna shall be connected to the measuring receiver. d. The transmitter shall be switched on and the measuring receiver shall be tuned to the frequency
of the transmitter under test. e. The test antenna shall be raised and lowered through the specified range of height until a
maximum signal level is detected by the measuring receiver. f. The transmitter shall then be rotated through 360°in the horizontal plane, until the maximum
signal level is detected by the measuring receiver. g. The test antenna shall be raised and lowered again through the specified range of height until a
maximum signal level is detected by the measuring receiver. h. The maximum signal level detected by the measuring receiver shall be noted. i. The transmitter shall be replaced by a substitution antenna. j. The substitution antenna shall be orientated for vertical polarization and the length of the
substitution antenna shall be adjusted to correspond to the frequency of the transmitter. k. The substitution antenna shall be connected to a calibrated signal generator. l. If necessary, the input attenuator setting of the measuring receiver shall be adjusted in order to
increase the sensitivity of the measuring receiver. m. The test antenna shall be raised and lowered through the specified range of height to ensure
that the maximum signal is received. n. The input signal to the substitution antenna shall be adjusted to the level that produces a level
detected by the measuring receiver, that is equal to the level noted while the transmitter radiated power was measured, corrected for the change of input attenuator setting of the measuring receiver. o. The measurement shall be repeated with the test antenna and the substitution antenna orientated for horizontal polarization. p. The measure of the effective radiated power is the larger of the two levels recorded at the input to the substitution antenna, corrected for gain of the substitution antenna if necessary. q. The resolution bandwidth of the spectrum analyzer was set at 100 kHz for Part 22 and 1MHz for Part 24. The frequency range was checked up to 10th harmonic. r. Test site anechoic chamber refer to ANSI C63.

TEST RESULTS

Conducted Measurement:
------Passed-----Please refer to the appendix test data.

Report No.: CTA24052101815

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Radiated Measurement:

Remark: 1. We were tested all RB Configuration refer 3GPP TS136 521 for each Channel Bandwidth of LTE FDD Band 38

LTE TDD Band 38_Channel Bandwidth 20MHz_ QPSK _ Low Channel

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Diatance Antenna
Gain(dB)

Peak EIRP (dBm)

Limit (dBm)

5160.0 -41.80 7.10

3.00

9.78

-39.12 -25.00

7740.0 -47.95 8.32

3.00

10.86 -45.41 -25.00

5160.0 -43.59 7.10

3.00

9.78

-40.91 -25.00

7740.0 -55.56 8.32

3.00

10.86 -53.02 -25.00

Margin (dB)
-14.12 -20.41 -15.91 -28.02

Polarization
H H V V

LTE TDD Band 38_Channel Bandwidth 20MHz_QPSK_ Middle Channel

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Diatance Antenna
Gain(dB)

Peak EIRP (dBm)

Limit (dBm)

5190.0 -42.80 7.10

3.00

9.78

-40.12 -25.00

7785.0 -54.94 8.32

3.00

10.86 -52.40 -25.00

5190.0 -44.81 7.10

3.00

9.78

-42.13 -25.00

7785.0 -47.74 8.32

3.00

10.86 -45.20 -25.00

Margin (dB)
-15.12 -27.40 -17.13 -20.20

Polarization
H H V V

LTE TDD Band 38_Channel Bandwidth 20MHz_QPSK_ High Channel

Frequency PMea (MHz) (dBm)

Pcl (dB)

Ga Diatance Antenna
Gain(dB)

Peak EIRP (dBm)

Limit (dBm)

5220.0 -42.14 7.10

3.00

9.78

-39.46 -25.00

7830.0 -55.11 8.32

3.00

10.86 -52.57 -25.00

5220.0 -42.35 7.10

3.00

9.78

-39.67 -25.00

7830.0 -47.64 8.32

3.00

10.86 -45.10 -25.00

Margin (dB)
-14.46 -27.57 -14.67 -20.10

Polarization
H H V V

Notes: 1.All channel bandwidth were tested,the report recorded the worst data. 2. EIRP=PMea(dBm)-Pcl(dB)+PAg(dB)+Ga(dBi) 3. ERP = EIRP 2.15dBi as EIRP by subtracting the gain of the dipole. 4. Margin = EIRP Limit 5. We measured all modes and only recorded the worst case.

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3.6 Frequency Stability under Temperature & Voltage Variations LIMIT
According to §27.54, §2.1055 requirement, the frequency stability shall be sufficient to ensure that the fundamental emissions stay within the authorized bands of operation and should not exceed 2.5ppm.
TEST CONFIGURATION

TEST PROCEDURE
The EUT was setup according to EIA/TIA 603D
Frequency Stability under Temperature Variations: In order to measure the carrier frequency under the condition of AFC lock, it is necessary to make measurements with the EUT in a "call mode". This is accomplished with the use of R&S CMW500 DIGITAL RADIO COMMUNICATION TESTER. 1. Measure the carrier frequency at room temperature. 2. Subject the EUT to overnight soak at -30. 3. With the EUT, powered via nominal voltage, connected to the CMW500 and in a simulated call
on middle channel for LTE band 12, measure the carrier frequency. These measurements should be made within 2 minutes of Powering up the EUT, to prevent significant self-warming. 4. Repeat the above measurements at 10 increments from -30 to +50. Allow at least 1.5 hours at each temperature, unpowered, before making measurements. 5. Re-measure carrier frequency at room temperature with nominal voltage. Vary supply voltage from minimum voltage to maximum voltage, in 0.1Volt increments re-measuring carrier frequency at each voltage. Pause at nominal voltage for 1.5 hours unpowered, to allow any selfheating to stabilize, before continuing. 6. Subject the EUT to overnight soak at +50. 7. With the EUT, powered via nominal voltage, connected to the CMW500 and in a simulated call on the centre channel, measure the carrier frequency. These measurements should be made within 2 minutes of Powering up the EUT, to prevent significant self-warming. 8. Repeat the above measurements at 10 increments from +50 to -30. Allow at least 1.5 hours at each temperature, unpowered, before making measurements 9. At all temperature levels hold the temperature to +/- 0.5 during the measurement procedure. Frequency Stability under Voltage Variations:
Set chamber temperature to 20. Use a variable AC power supply / DC power source to power the
EUT and set the voltage to rated voltage. Set the spectrum analyzer RBW low enough to obtain the desired frequency resolution and recorded the frequency. Reduce the input voltage to specify extreme voltage variation (±15%) and endpoint, record the

Report No.: CTA24052101815
maximum frequency change. TEST RESULTS
------Passed-----Please refer to the appendix test data.

Page 22 of 23

Report No.: CTA24052101815
4 Test Setup Photos of the EUT

Page 23 of 23

5 Photos of the EUT
Reference to the test report No. CTA24052101801. ********************** End of Report **********************

Related FCC IDs:

2BE8S-U100 - Shenzhen kehuitong Technology Co.,Ltd mobile phone [-U100]

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