
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
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2021-05-20 Nemko Canada Inc 303 River Road Ottawa, Ontario, Canada K1V 1H2 Attn: Director of Certification Authority to Act as Agent On our behalf, I appoint Shenzhen Huatongwei International Inspection Co., Ltd./ 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China / Hans Hu,. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, as specified by Nemko Canada Inc, still resides with Shenzhen Retevis Technology Co., Ltd. / Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China. Dated this May 20, 2021 Agency agreement expiration date: May 20, 2022 By: Weidong Shen Signature Printed Title: Manager On behalf of : Shenzhen Retevis Technology Co., Ltd. Telephone: +86-755-23481953
2021-05-20 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2ASNSRT48 Product Name: Walkie Talkie Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description • BOM • Tune up These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Dated this May 20, 2021 By: Weidong Shen Signature Printed Title: Manager On behalf of : Shenzhen Retevis Technology Co., Ltd. Telephone: +86-755-23481953
EXTERANAL PHOTOS
MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW.
INTERNAL PHOTOS
Page: 1 of 25 TEST REPORT Report No. ...................................... : CHTEW21050087 Report verificaiton: Project No. ...................................... : SHT2104078805EW FCC ID ............................................. : 2ASNSRT48 Applicant’s name ........................... : Shenzhen Retevis Technology Co., Ltd. Address ............................................. : Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Test item description .................... : Walkie Talkie Trade Mark ....................................... : RETEVIS Model/Type reference ....................... : RT48 Listed Model(s) ................................. : - Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1, 1999 Edition IEEE 1528: 2013 Date of receipt of test sample.........: Apr.25, 2021 Date of testing.............................: Apr.26, 2021-May.17, 2021 Date of issue...............................: May.18, 2021 Result .................. ........................: PASS Compiled by ( position+printed name+signature) .. : File administrators: Fanghui Zhu Supervised by ( position+printed name+signature) .. : Test Engineer: Patrick Qiu Approved by ( position+printed name+signature) .. : Manager: Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection 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. The test report merely correspond to the test sample. Report No.: CHTEW21050087 Page: 2 of 25 Issued: 2021-05-18 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1.Statement of Compliance3 2.Test Standards and Report version4 2.1. Test Standards 4 2.2. Report version 4 3.Summary5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Test frequency list 6 3.5. Testing Laboratory Information 7 3.6. Environmental conditions 7 4.Equipments Used during the Test8 5.Measurement Uncertainty9 6.SAR Measurements System Configuration10 6.1. SAR Measurement Set-up 10 6.2. DASY5 E-field Probe System 11 6.3. Phantoms 12 6.4. Device Holder 12 7.SAR Test Procedure13 7.1. Scanning Procedure 13 7.2. Data Storage and Evaluation 15 8.Position of the wireless device in relation to the phantom17 8.1. Front-of-face 17 8.2. Body Position 17 9.Dielectric Property Measurements & System Check18 9.1. Tissue Dielectric Parameters 18 9.2. SAR System Validation 19 9.3. System Check 20 10.SAR Exposure Limits23 11.Radiated Power Measurement Results23 12.Maximum Tune-up Limit23 13.SAR Measurement Results24 14.Test Setup Photos25 15.External and Internal Photos of the EUT25 Report No.: CHTEW21050087 Page: 3 of 25 Issued: 2021-05-18 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions FRF Head(Dist.= 25mm) 1.281 Body-worn(Dist.= 0mm) 1.538 This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits (1.6 W/kg) specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992, and had been tested in accordance with the measurement methods and procedures specified in IEEE 1528-2013 and FCC KDB publications. Report No.: CHTEW21050087 Page: 4 of 25 Issued: 2021-05-18 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. Test Standards and Report version 2.1. Test Standards The tests were performed according to following standards: FCC 47 Part 2.1093: Radiofrequency Radiation Exposure Evaluation:Portable Devices IEEE Std C95.1, 1999 Edition: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz IEEE Std 1528™-2013: IEEE Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques. FCC published RF exposure KDB procedures: KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04: SAR Measurement Requirements for 100 MHz to 6 GHz KDB 865664 D02 RF Exposure Reporting v01r02: RF Exposure Compliance Reporting and Documentation Considerations KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device RF Exposure Procedures and Equipment Authorization Policies TCB workshop: April, 2019; Page 19, Tissue Simulating Liquids (TSL) 2.2. Report version Revision No. Date of issue Description N/A 2021-05-18 Original Report No.: CHTEW21050087 Page: 5 of 25 Issued: 2021-05-18 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3.Summary 3.1. Client Information Applicant: Shenzhen Retevis Technology Co., Ltd. Address: Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Retevis Technology Co., Ltd. Address: Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China 3.2. Product Description Main unit Name of EUT: Walkie Talkie Trade mark: RETEVIS Model/Type reference: RT48 Listed model(s): - Device Category: Portable RF Exposure Environment: General Population/Uncontrolled Po…
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Page: 1 of 31 TEST REPORT Report No. ...................................... : CHTEW21050009 Report Verification: Project No.................................: SHT2104078804EW FCC ID ............................................. : 2ASNSRT48 Applicant’s name ........................... : Shenzhen Retevis Technology Co., Ltd. Address ............................................. : Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Test item description .................... : Walkie Talkie Trade Mark ....................................... : RETEVIS Model/Type reference ....................... : RT48 Listed Model(s) ................................. : - Standard ......................................... : FCC CFR Title 47 Part 95 Subpart B Date of receipt of test sample..........: Apr.22, 2021 Date of testing.............................: Apr.22, 2021- May 06, 2021 Date of issue...............................: May 07, 2021 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Echo Wei Supervised by (Position+Printed name+Signature): Project Engineer Cheng Xiao Approved by (Position+Printed name+Signature): RF Manager Hans Hu Testing Laboratory Name ............. : Shenzhen Huatongwei International Inspection Co., Ltd. Address ............................................. : 1/F, Bldg 3, Hongfa Hi-tech Industrial Park, Genyu Road, Tianliao, Gongming, Shenzhen, China Shenzhen Huatongwei International Inspection Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Huatongwei International Inspection Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Huatongwei International Inspection 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. The test report merely correspond to the test sample. Report No.: CHTEW21050009 Page: 2 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) Contents 1. TEST S T A N D A R D S AND R E P O R T V E R S I O N 3 1.1. Test Standards 3 1.2. Report version 3 2. TEST DESCRIPTION 4 3. SUMMARY 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 5 3.4. Testing Laboratory Information 6 4. TEST CONFIGURATION 7 4.1. Test frequency list 7 4.2. Test mode 7 4.3. Support unit used in test configuration and system 8 4.4. Testing environmental condition 9 4.5. Measurement uncertainty 9 4.6. Equipment Used during the Test 10 5. TEST CONDITIONS AND RESULTS 11 5.1. Carrier Output Power (ERP) 11 5.2. 99% Occupied Bandwidth & 26dB Bandwidth 12 5.3. Emission Mask 13 5.4. Modulation Limit 14 5.5. Audio Frequency Response 15 5.6. Audio Low Pass Filter Response 17 5.7. Frequency stability VS Temperature 18 5.8. Frequency stability VS Voltage 19 5.9. Transmit Radiated Spurious Emission 20 6. TEST SETUP PHOTOS 23 7. EXTERANAL AND INTERNAL PHOTOS 25 7.1. EXTERANAL PHOTOS 25 7.2. INTERNAL PHOTOS 29 8. APPENDIX REPORT 31 Report No.: CHTEW21050009 Page: 3 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 1. TEST STANDARDS AND REPORT VERSION 1.1. Test Standards The tests were performed according to following standards: ‒ FCC Rules Part 95: PERSONAL RADIO SERVICES ‒ FCC Rules Part 2: Frequency allocations and radio treaty matters; General rules and regulations ‒ ANSI C63.26-2013: American National Standard for Compliance Testing of Transmitters Used in Licensed Radio Services 1.2. Report version Revision No. Date of issue Description N/A 2021-05-07 Original Report No.: CHTEW21050009 Page: 4 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 2. TEST DESCRIPTION Report clause Test Items Standard Requirement Result 5.1 Carrier Output Power(ERP) Part 95.567 Part 2.1046(a) PASS 5.2 99% Occupied Bandwidth & 26dB bandwidth Part 95.573 Part 2.1049 PASS 5.3 Emission Mask Part 95.579(a)(1)(2)(3) Part 2.1049 PASS 5.4 Modulation Limit Part 95.575 Part 2.1047(b) PASS 5.5 Audio Frequency Response Part 95.575 Part 2.1047(a) PASS 5.6 Frequency Stability V.S. Temperature Part 95.565 Part 2.1055 PASS 5.7 Frequency Stability V.S. Voltage Part 95.565 Part 2.1055 PASS 5.8 Transmit Radiated Spurious Emission Part 95.579(a)(3) Part 2.1053 PASS Note: ‒ The measurement uncertainty is not included in the test result. Report No.: CHTEW21050009 Page: 5 of 31 Issued: 2021-05-07 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V03 (2021-01) 3. SUMMARY 3.1. Client Information Applicant: Shenzhen Retevis Technology Co., Ltd. Address: Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China Manufacturer: Shenzhen Retevis Technology Co., Ltd. Address: Room 700, 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli 6th Road, Jihua Street, Longgang District, Shenzhen, China 3.2. Product Description Name of EUT: Walkie Talkie Trade Mark: RETEVIS Model No.: RT48 Listed Model(s): - Power supply: DC 3.7V Battery information: Model: BL48 DC 3.7V 1200mAh(4.44Wh) Charger information: Model: DC48 Input: DC5V 1A Output: DC4.2V 500mA Adapter information: Model: DSA-5PF07-05 FUS 050100 Input: 100-240Va.c.,50/60Hz 0.2A Output:5Vd.c.,1A Hardware version: KA2U-2001-V1.1 Software version: S198_9V2A.hex 3.3. Radio Specification Description Support Frequency Range: 462.5500MHz-462.7250MHz Modulation Type: FM Emission Designator: * 1 11K0F3E Antenna Type: Integral Antenna Gain: 2.15dBi Note: (1) *1 According to FCC Part 2.202 requirements, the Necessary Bandwidth is calculated as follows: – For FM Voice Modulation Channe…
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Appendix Report FCC PART 95B Test Form QRE316 V 3.2 (2019-4) Appendix clause Test Result (PASS/FAIL) APASS BPASS CPASS DPASS EPASS FPASS GPASS HPASS Transmit Power (ERP)4/27 Audio Frequency Response Frequency Stability Test & Temperature Frequency Stability Test & Voltage 4/27 4/27 4/27 4/27 Occupied Bandwidth Emission Mask 4/27 4/27 Modulation Limit Audio Low Pass Filter Response4/27 Test sample No. Start test date YPHT21040788044 Model No. RT648 2021/4/28 Finish date 2021/4/28 Project No. SHT2104078804EW Test Item Test date (M/D) 59% Temperature 23.6°C Humidity Test EngineerAuditor Appendix Page:1 of 13 Project No.:SHT2104078804EW Appendix A: Transmit Power (ERP) TX-FRSFM CH M1 31.451.40 ≤2 PASS Limit(W)Result Measured power (dBm) Measured power (W) Test Mode Modulation Type Test Channel Appendix Page:2 of 13 Project No.:SHT2104078804EW Appendix B: 99% Occupied Bandwidth & 26dB Bandwidth 99%(kHz)26dB(kHz) TX-FRSFM CH M1 9.94210.14≤12.5PASS Test ModeTest Channel Occupied Bandwidth 99% Limit(kHz)Result Modulation Type Appendix Page:3 of 13 Project No.:SHT2104078804EW Appendix B: 99% Occupied Bandwidth & 26dB Bandwidth Operation Mode Modulation Type Test Channel TX-FRSFM CH M1 TEST PLOT RESULT Appendix Page:4 of 13 Project No.:SHT2104078804EW Appendix C:Emission Mask Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFM CH M1 Appendix Page:5 of 13 Project No.:SHT2104078804EW Appendix D:Modulation Limit 300100415002500 TX-FRSFM CH M1 -200.0500.1880.3160.5712.5PASS TX-FRSFM CH M1 -150.0550.2910.5300.9782.5PASS TX-FRSFM CH M1 -100.0700.4900.9171.7192.5PASS TX-FRSFM CH M1 -50.0990.8441.5892.0602.5PASS TX-FRSFM CH M1 00.1331.5112.0632.2412.5PASS TX-FRSFM CH M1 50.2131.9842.1412.2932.5PASS TX-FRSFM CH M1 100.3561.8982.1432.2972.5PASS TX-FRSFM CH M1 150.6041.9142.1412.3012.5PASS TX-FRSFM CH M1 200.6591.9062.1452.2982.5PASS Limit (kHz) ResultTest Mode Modulation Type Test Channel Modulation Level (dB) Peak Frequency Deviation (Hz) Appendix Page:6 of 13 Project No.:SHT2104078804EW Appendix D:Modulation Limit Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFM CH M1 0 0.5 1 1.5 2 2.5 3 -20-15-10-505101520 Limit (kHz) 300 1004 1500 2500 Modulation Level (dB) Peak Deviation Appendix Page:7 of 13 Project No.:SHT2104078804EW Appendix E:Audio Frequency Response Test Mode Modulation Type Test Channel Frequency (Hz) Audio Frequency Response (dB) Lower LimitUpper LimitResult TX-FRSFM CH M1 100-20.63PASS TX-FRSFM CH M1 200-19.25PASS TX-FRSFM CH M1 300-16.75-17.84-9.42PASS TX-FRSFM CH M1 400-11.58-12.86-6.93PASS TX-FRSFM CH M1 500-8.07-9.00-5.00PASS TX-FRSFM CH M1 600-7.22-7.42-3.42PASS TX-FRSFM CH M1 700-4.98-6.09-2.09PASS TX-FRSFM CH M1 800-3.46-4.93-0.93PASS TX-FRSFM CH M1 900-1.31-3.910.09PASS TX-FRSFM CH M1 10000.05-3.001.00PASS TX-FRSFM CH M1 12002.24-1.422.58PASS TX-FRSFM CH M1 14002.88-0.093.91PASS TX-FRSFM CH M1 16004.641.075.07PASS TX-FRSFM CH M1 18005.832.096.09PASS TX-FRSFM CH M1 20005.853.007.00PASS TX-FRSFM CH M1 21006.213.427.42PASS TX-FRSFM CH M1 22006.423.837.83PASS TX-FRSFM CH M1 23006.864.218.21PASS TX-FRSFM CH M1 24007.464.588.58PASS TX-FRSFM CH M1 25007.954.938.93PASS TX-FRSFM CH M1 26008.074.599.27PASS TX-FRSFM CH M1 27009.584.279.60PASS TX-FRSFM CH M1 28009.723.959.91PASS TX-FRSFM CH M1 29009.893.6510.22PASS TX-FRSFM CH M1 30009.653.3510.51PASS TX-FRSFM CH M1 3500-20.14PASS TX-FRSFM CH M1 4000-20.48PASS TX-FRSFM CH M1 4500-21.16PASS TX-FRSFM CH M1 5000-20.23PASS Appendix Page:8 of 13 Project No.:SHT2104078804EW Appendix E:Aduio Frequency Response Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFM CH M1 Note: The highest audio frequency response at 3kHz<3.125kHz, so meet the requirement. -25.00 -20.00 -15.00 -10.00 -5.00 0.00 5.00 10.00 15.00 100100010000 RESPONSE ATTENUATION (dB) FREQUENCY (Hz) Audio Frequency Response (dB) Upper Limit Appendix Page:9 of 13 Project No.:SHT2104078804EW Appendix F:Audio Low Pass Filter Response Test Mode Modulation Type Test Channel Audio Frequency(Hz) Audio Frequency Response(dB) LimitResult TX-FRSFMCHM11000-16.78 0PASS TX-FRSFMCHM13000-26.37 0PASS TX-FRSFMCHM14000-55.29 -7.5PASS TX-FRSFMCHM15000-55.38 -13.3PASS TX-FRSFMCHM16000-56.04 -18.1PASS TX-FRSFMCHM18000-55.71 -25.6PASS TX-FRSFMCHM110000-55.73 -31.4PASS TX-FRSFMCHM115000-55.06 -41.9PASS TX-FRSFMCHM120000-55.28 -50PASS TX-FRSFMCHM130000-55.07 -50PASS TX-FRSFMCHM140000 -55.19 -50PASS TX-FRSFMCHM150000 -55.26 -50PASS TX-FRSFMCHM160000 -55.30 -50PASS TX-FRSFMCHM170000 -55.48 -50PASS TX-FRSFMCHM180000 -55.51 -50PASS TX-FRSFMCHM190000 -55.64 -50PASS TX-FRSFMCHM1100000 -55.18 -50PASS Appendix Page:10 of 13 Project No.:SHT2104078804EW Appendix F:Audio Low Pass Filter Response Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFMCHM1 -70 -60 -50 -40 -30 -20 -10 0 100010000100000 Audio Frequency(Hz) LimitAudio Frequency Response(dB) Appendix Page:11 of 13 Project No.:SHT2104078804EW Appendix G:Frequency Stability Test & Temperature Frequency error (ppm) VoltageTemperature CH M1 TX-FRSFMVN-300.109±2.5PASS TX-FRSFMVN-200.107±2.5PASS TX-FRSFMVN-100.102±2.5PASS TX-FRSFMVN00.108±2.5PASS TX-FRSFMVN100.104±2.5PASS TX-FRSFMVN200.102±2.5PASS TX-FRSFMVN300.111±2.5PASS TX-FRSFMVN400.107±2.5PASS TX-FRSFMVN500.110±2.5PASS Result Test Mode Modulation Type Test Conditions Limit (ppm) Appendix Page:12 of 13 Project No.:SHT2104078804EW Appendix H:Frequency Stability Test & Voltage Frequency error (ppm) VoltageTemperature CH M1 TX-FRSFMVNTN0.102±2.5PASS TX-FRSFMVLTN0.107±2.5PASS TX-FRSFMVHTN0.089±2.5PASS ----End of Report---- Test Mode Modulation Type Test Conditions Limit (ppm)Result Appendix Page:13 of 13
TEST SETUP PHOTOS
| # | Rule Parts | Frequency Range | Power Output | Emission | Tolerance |
|---|---|---|---|---|---|
| 1 | 95B | 462.55 MHz - 462.725 MHz | 1.4 W | 11K0F3E | 0.1000000000 ppm |

Two Way Radio
Equipment Class
CSR - Scanning Receiver
Two Way Radio
Equipment Class
FRF - Part 95 Family Radio Face Held Transmitter
Two Way Radio
Equipment Class
CSR - Scanning Receiver
Two Way Radio
Equipment Class
FRF - Part 95 Family Radio Face Held Transmitter