2A3OORB48Two Way Radio

1 21 38 83 GMRS operator license, you need FCC Fenn 605 & 159, we suggest visiting the FCC website at https://www.f­ cc.gov/wireless/support/fcc-fonn-605, which includes necessary instructions. More questions about the license application, please contact the FCC at 1-888-225-5322 er go to the FCC's website: http://www.fcc.gov. According to FCC rules, any individual who holds an individual license may allow his er her immediate family members to operate his er her GMRS station er stations. Immediate family members are the licensee's spouse, children, grandchildren, stepchildren, parents, grandparents, stepparents, brothers, sisters, aunts, uncles, nieces, nephews, and in-laws. •(Only applicable to industrial environment)This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 cf the FCC Rules. These limits are designed to provide reasonable protection against hannful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiale radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause hannful interference to radio communications. Operation cf this equipment in a residential area is likely to cause hannful interference in which case the user will be required to correct the interference at his own expense. •(Only applicable to home)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 cf the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiale radio frequency energy and, if not installed and used in accordance with the instructions, may cause hannful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. lf this equipment does cause hannful interference to radio er television reception, which can be detennined by turning the equipment off and on, the user is encouraged to try to correct the interference by one er more cf the following measures: -Reorient er relocate the receiving antenna. -lncrease the separation between the equipment and receiver. -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -Consult the dealer er an experienced radio/TV technician for help. CE Requirements: •(Simple EU declaration cf conformity) Shenzhen Ysair Technology Co., Ltd. declares that the radio equipment type is in compliance with the essential requirements and other relevant provisions cf RED Directive 2014/53/EU and the ROHS Directive 2011/65/EU and the WEEE Directive 2012/19/EU; the full text cf the EU declaration cf conformity is available at the following intemet address: www.retevis.com. •Restriction lnfonnation This product can be used in EU countries and regions, including: Belgium (BE), Bulgaria (BG), Czech Republic (CZ), Denmark (OK), Gennany (DE), Estonia (EE), lreland (IE), Greece (EL), Spain (ES), France (FR), Croatia (HR), ltaly (IT), Cyprus (CY), Latvia (LV), Lithuania (LT), Luxembourg (LU), Hungary (HU), Malta (MT), Netherlands (NL), Austria (AT), Poland (PL), Portugal (PT), Romania (RO), Slovenia (SI), Slovakia (SK), Finland (FI), Sweden (SE) and United Kingdom (UK). For the waming infonnation cf the frequency restriction, please refer to the package. •Disposal The crossed-out wheeled-bin symbol on your product, literature, er packaging reminds you that in the European Union, all electrical and electronic products, batteries, and accumulators (rechargeable batteries) must 'Q-" be taken to designated collection locations at the end cf their working life. De not dispose cf these A products as unsorted municipal waste. Dispose cf them according to the laws in your area. - IC Requirements: Licence-exempt radio apparatus This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation cf the device. Le present appareil est conforme aux CNR d'lndustrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisf3e aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage; (2) l'utilisateur de l'appareil doit accepter taut brouillage radioelectrique subi, meme si le brouillage est susceptible d'en compromettre le fonctionnement. RF Exposure Compliance and Control Guidelines and Operating Jnstructions 08

2022-12-08 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 Ysair Technology Co., LTD/ 6/F, building 6, Yunli intelligent park, No. 3, Changfa MiddleRoad, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Agency agreement expiration date: 2023-12-07 By: Weidong Shen Signature Printed Title: GM On behalf of : Shenzhen Ysair Technology Co., LTD Telephone: 0755-23481953

2022-12-08 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A3OORB48 Product Name: Two Way Radio 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: • 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. By: Weidong Shen Signature Printed Title: GM On behalf of : Shenzhen Ysair Technology Co., LTD Telephone: 0755-23481953

EXTERANAL PHOTOS

INTERNAL PHOTOS

Page: 1 of 25 TEST REPORT Report No. ...................................... : CHTEW22120003 Report vertification: Project No. ...................................... : SHT2209079802EW FCC ID ............................................. : 2A3OORB48 Applicant’s name ........................... : Shenzhen Ysair Technology Co., LTD Address ............................................. : 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Test item description .................... : Two Way Radio Trade Mark ....................................... : RETEVIS Model/Type reference ....................... : RB48 Listed Model(s) ................................. : - Standard ......................................... : FCC 47 CFR Part2.1093 IEEE Std C95.1, 1999 Edition IEEE 1528: 2013 Date of receipt of test sample.........: Nov.18, 2022 Date of testing.............................: Nov.18, 2022- Nov.30, 2022 Date of issue...............................: Dec.01, 2022 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Fanghui Zhu Supervised by (Position+Printed name+Signature): Project Engineer Xiaodong Zhao 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.: CHTEW22120003 Page: 2 of 25 Issued: 2022-12-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2021-12) Contents 1. Statement of Compliance 3 2. Test Standards and Report version 4 2.1. Test Standards 4 2.2. Report version 4 3. Summary 5 3.1. Client Information 5 3.2. Product Description 5 3.3. Radio Specification Description 6 3.4. Test frequency list 6 3.5. Testing Laboratory Information 7 3.6. Environmental conditions 7 4. Equipments Used during the Test 8 5. Measurement Uncertainty 9 6. SAR Measurements System Configuration 10 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 Procedure 13 7.1. Scanning Procedure 13 7.2. Data Storage and Evaluation 15 8. Position of the wireless device in relation to the phantom 17 8.1. Front-of-face 17 8.2. Body Position 17 9. Dielectric Property Measurements & System Check 18 9.1. Tissue Dielectric Parameters 18 9.2. SAR System Validation 19 9.3. System Check 20 10. SAR Exposure Limits 23 11. Radiated Power Measurement Results and Tune-up 24 12. SAR Measurement Results 24 13. Test Setup Photos 25 14. External and Internal Photos of the EUT 25 Report No.: CHTEW22120003 Page: 3 of 25 Issued: 2022-12-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2021-12) 1. Statement of Compliance Maximum Reported SAR (W/kg @1g) RF Exposure Conditions FRS Head(Dist.= 25mm) 0.592 Body-worn(Dist.= 0mm) 1.303 Note: 1. This device is in compliance with Specific Absorption Rate (SAR) for general population/uncontrolled exposure limits (1.6 W/kg@1g) specified in FCC 47 CFR part 2 (2.1093) and IEEE Std C95.1, 2. This device had been tested in accordance with the measurement methods and procedures specified in IEEE 1528 and FCC KDB publications. Report No.: CHTEW22120003 Page: 4 of 25 Issued: 2022-12-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2021-12) 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 D04 Interim General RF Exposure Guidance v01: 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 2022-12-01 Original Report No.: CHTEW22120003 Page: 5 of 25 Issued: 2022-12-01 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2021-12) 3. Summary 3.1. Client Information Applicant: Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Manufacturer: Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China 3.2. Product Description Main unit Name of EUT: Two Way Radio Trade Mark: RETEVIS Model No.: RB48 Listed Model(s): - Power supply: DC 3.…

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Page: 1 of 31 TEST REPORT Report No. ...................................... : CHTEW22120001 Report Verification: Project No.................................: SHT2209079801EW FCC ID ............................................. : 2A3OORB48 Applicant’s name ........................... : Shenzhen Ysair Technology Co., LTD Address ............................................. : 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Test item description .................... : Two Way Radio Trade Mark ....................................... : RETEVIS Model/Type reference ....................... : RB48 Listed Model(s) ................................. : - Standard ......................................... : FCC CFR Title 47 Part 95 Subpart B Date of receipt of test sample..........: Nov.18, 2022 Date of testing.............................: Nov.18, 2022- Dec.06, 2022 Date of issue...............................: Dec.06, 2022 Result .................. ........................: PASS Compiled by ( Position+Printed name+Signature): File administrator Fanghui Zhu Supervised by (Position+Printed name+Signature): Project Engineer Xiaodong Zhao 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.: CHTEW22120001 Page: 2 of 31 Issued: 2022-12-06 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) Contents 1. TEST S T A N D A R D S A N D R E P O RT 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 24 7. EXTERANAL AND INTERNAL PHOTOS 26 7.1. EXTERANAL PHOTOS 26 7.2. INTERNAL PHOTOS 29 8. APPENDIX REPORT 31 Report No.: CHTEW22120001 Page: 3 of 31 Issued: 2022-12-06 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 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 2022-12-06 Original Report No.: CHTEW22120001 Page: 4 of 31 Issued: 2022-12-06 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 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 Audio Low Pass Filter Response Part 95.575 Part 2.1047(a) PASS 5.7 Frequency Stability V.S. Temperature Part 95.565 Part 2.1055 PASS 5.8 Frequency Stability V.S. Voltage Part 95.565 Part 2.1055 PASS 5.9 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.: CHTEW22120001 Page: 5 of 31 Issued: 2022-12-06 Shenzhen Huatongwei International Inspection Co., Ltd. Report Template Version: V04 (2022-01) 3. SUMMARY 3.1. Client Information Applicant: Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China Manufacturer: Shenzhen Ysair Technology Co., LTD Address: 6/F, building 6, Yunli intelligent park, No. 3, Changfa Middle Road, Yangmei community, Bantian street, Longgang District, Shenzhen,Guangdong,China 3.2. Product Description Name of EUT: Two Way Radio Trade Mark: RETEVIS Model No.: RB48 Listed Model(s): - Power supply: DC 3.7V from battery Battery information: Model: BL648 Voltage: 3.7V Capacity: 2000mAh(7.4Wh) Charger information: Model: DC648 Input: 5V/1A Output: 5V/480mA*2 Hardware version: V1.02 Software version: V1.02 3.3. Radio Specification Description Support Frequency Range: CH01~CH07: 462.5625MHz~ 462.7125MHz CH08~CH14: 467.5625MHz~ 467.7125MHz CH15~CH22: 462.5500MHz~ 462.7250MHz Rated Output Power: Hight: 2W Low: 0.5W Modulation Type: FM Emission Designator: * 1 11K0F3E Antenna Type: Integral Anten…

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Appendix Report FCC PART 95B Test FormQRE316 V 3.2 (2019-4) Project No. SHT2209079801EW Test sample No. YPHT22090798001 Model No. RB48 Start test date 2022/11/22 Finish date 2022/12/6 Temperature 25.3°C Humidity 51% Test EngineerAuditor Appendix clause Test Item Test Result (PASS/FAIL) ATransmit Power (ERP)PASS BOccupied BandwidthPASS CEmission MaskPASS DModulation LimitPASS EAudio Frequency ResponsePASS FAudio Low Pass Filter ResponsePASS GFrequency Stability Test & TemperaturePASS HFrequency Stability Test & VoltagePASS Appendix Page:1 of 14 Project No.:SHT2209079801EW Appendix A: Transmit Power (ERP) Test Mode Modulation Type Test Channel Measured power (dBm) Measured power (W) Limit(W)Result TX-FRSFMCH L -H31.871.54 ≤ 2 PASS TX-FRSFMCH L -L25.820.38 ≤2 PASS TX-FRSFMCH H 25.770.38 ≤ 0.5 PASS Appendix Page:2 of 14 Project No.:SHT2209079801EW Appendix B: 99% Occupied Bandwidth & 26dB Bandwidth Test Mode Modulation Type Test Channel Occupied Bandwidth 99% Limit(kHz)Result 99%(kHz)26dB(kHz) TX-FRSFM CH L -H 9.92510.14≤12.5PASS TX-FRSFMCH H 9.91610.14≤12.5PASS Appendix Page:3 of 14 Project No.:SHT2209079801EW Appendix B: 99% Occupied Bandwidth & 26dB Bandwidth Operation Mode Modulation Type Test ChannelTEST PLOT RESULT TX-FRSFMCH L -H TX-FRSFMCH H Appendix Page:4 of 14 Project No.:SHT2209079801EW Appendix C:Emission Mask Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFMCH L -H TX-FRSFMCH L -L TX-FRSFMCH H Appendix Page:5 of 14 Project No.:SHT2209079801EW Appendix D:Modulation Limit Test Mode Modulation Type Test Channel Modulation Level (dB) Peak Frequency Deviation (Hz) Limit (kHz) Result 300100415002500 TX-FRSFMCH L -H-200.058 0.179 0.239 0.270 2.5PASS TX-FRSFMCH L -H-150.077 0.288 0.393 0.447 2.5PASS TX-FRSFM CH L -H -100.090 0.499 0.675 0.767 2.5PASS TX-FRSFM CH L -H -50.134 0.852 1.175 1.345 2.5PASS TX-FRSFMCH L -H00.197 1.512 1.968 2.010 2.5PASS TX-FRSFMCH L -H50.348 2.007 2.103 2.055 2.5PASS TX-FRSFMCH L -H100.442 2.020 2.104 2.055 2.5PASS TX-FRSFM CH L -H 150.359 2.013 2.094 2.057 2.5PASS TX-FRSFM CH L -H 200.361 2.019 2.102 2.054 2.5PASS TX-FRSFMCH H -200.061 0.184 0.244 0.272 2.5PASS TX-FRSFMCH H -150.076 0.301 0.400 0.451 2.5PASS TX-FRSFMCH H -100.096 0.503 0.683 0.775 2.5PASS TX-FRSFM CH H -50.126 0.856 1.186 1.353 2.5PASS TX-FRSFM CH H 00.201 1.522 1.976 2.005 2.5PASS TX-FRSFMCH H 50.326 2.014 2.103 2.045 2.5PASS TX-FRSFMCH H 100.444 2.022 2.099 2.046 2.5PASS TX-FRSFMCH H 150.376 2.016 2.103 2.047 2.5PASS TX-FRSFM CH H 200.369 2.020 2.104 2.054 2.5PASS Appendix Page:6 of 14 Project No.:SHT2209079801EW Appendix D:Modulation Limit Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFMCH L -H TX-FRSFMCH H Appendix Page:7 of 14 Project No.:SHT2209079801EW Appendix E:Audio Frequency Response Test Mode Modulation Type Test Channel Frequency (Hz) Audio Frequency Response (dB) Lower LimitUpper LimitResult TX-FRSFMCH L -H100-33.41 PASS TX-FRSFMCH L -H200-32.94 PASS TX-FRSFM CH L -H 300-15.59 -17.84 -9.42 PASS TX-FRSFM CH L -H 400-12.39 -12.86 -6.93 PASS TX-FRSFMCH L -H500-8.90 -9.00 -5.00 PASS TX-FRSFMCH L -H600-6.32 -7.42 -3.42 PASS TX-FRSFMCH L -H700-3.54 -6.09 -2.09 PASS TX-FRSFM CH L -H 800-3.83 -4.93 -0.93 PASS TX-FRSFM CH L -H 900-1.67 -3.91 0.09 PASS TX-FRSFMCH L -H1000-0.04 -3.00 1.00 PASS TX-FRSFMCH L -H12001.82 -1.42 2.58 PASS TX-FRSFMCH L -H14002.64 -0.09 3.91 PASS TX-FRSFM CH L -H 16003.06 1.07 5.07 PASS TX-FRSFM CH L -H 18003.39 2.09 6.09 PASS TX-FRSFMCH L -H20003.77 3.00 7.00 PASS TX-FRSFMCH L -H21003.93 3.42 7.42 PASS TX-FRSFMCH L -H22004.06 3.83 7.83 PASS TX-FRSFM CH L -H 23004.32 4.21 8.21 PASS TX-FRSFM CH L -H 24004.95 4.58 8.58 PASS TX-FRSFMCH L -H25005.23 4.93 8.93 PASS TX-FRSFMCH L -H26004.73 4.59 9.27 PASS TX-FRSFMCH L -H27004.78 4.27 9.60 PASS TX-FRSFM CH L -H 28004.60 3.95 9.91 PASS TX-FRSFM CH L -H 29003.74 3.65 10.22 PASS TX-FRSFMCH L -H30003.54 3.35 10.51 PASS TX-FRSFMCH L -H3500-10.77 PASS TX-FRSFMCH L -H4000-31.92 PASS TX-FRSFM CH L -H 4500-33.12 PASS TX-FRSFM CH L -H 5000-33.23 PASS Appendix Page:8 of 14 Project No.:SHT2209079801EW Appendix E:Audio Frequency Response Test Mode Modulation Type Test Channel Frequency (Hz) Audio Frequency Response (dB) Lower LimitUpper LimitResult TX-FRSFMCH H 100-33.11 PASS TX-FRSFMCH H 200-33.22 PASS TX-FRSFM CH H 300-17.71 -17.84 -9.42 PASS TX-FRSFM CH H 400-12.47 -12.86 -6.93 PASS TX-FRSFMCH H 500-8.29 -9.00 -5.00 PASS TX-FRSFMCH H 600-6.93 -7.42 -3.42 PASS TX-FRSFMCH H 700-5.57 -6.09 -2.09 PASS TX-FRSFM CH H 800-3.82 -4.93 -0.93 PASS TX-FRSFM CH H 900-1.67 -3.91 0.09 PASS TX-FRSFMCH H 10000.03 -3.00 1.00 PASS TX-FRSFMCH H 12001.85 -1.42 2.58 PASS TX-FRSFMCH H 14002.66 -0.09 3.91 PASS TX-FRSFM CH H 16003.09 1.07 5.07 PASS TX-FRSFM CH H 18003.42 2.09 6.09 PASS TX-FRSFMCH H 20003.80 3.00 7.00 PASS TX-FRSFMCH H 21003.96 3.42 7.42 PASS TX-FRSFMCH H 22004.09 3.83 7.83 PASS TX-FRSFM CH H 23004.56 4.21 8.21 PASS TX-FRSFM CH H 24004.73 4.58 8.58 PASS TX-FRSFMCH H 25005.32 4.93 8.93 PASS TX-FRSFMCH H 26004.75 4.59 9.27 PASS TX-FRSFMCH H 27004.31 4.27 9.60 PASS TX-FRSFM CH H 28004.63 3.95 9.91 PASS TX-FRSFM CH H 29003.78 3.65 10.22 PASS TX-FRSFMCH H 30003.57 3.35 10.51 PASS TX-FRSFMCH H 3500-10.75 PASS TX-FRSFMCH H 4000-31.90 PASS TX-FRSFM CH H 4500-33.29 PASS TX-FRSFM CH H 5000-33.33 PASS Appendix Page:9 of 14 Project No.:SHT2209079801EW Appendix E:Audio Frequency Response Test Mode Modulation Type Test Channel TEST PLOT RESULT TX-FRSFMCH L -H TX-FRSFMCH H Appendix Page:10 of 14 Project No.:SHT2209079801EW Appendix F:Audio Low Pass Filter Response Test Mode Modulation Type Test Channel Audio Frequency(Hz) Audio Frequency Response(dB) LimitResult TX-FRSFM CH L -H 1000-16.66 0PASS TX-FRSFM CH L -H 3000-22.71 0PASS TX-FRSFM CH L -H 4000-41.85 -7.5PASS TX-FRSFM CH L -H 5000-54.48 -13.3PASS TX-FRSFM CH L -H 6000-54.74 -18.1PASS TX-FRSFM CH L -H 8000-54.64 -25.6PASS TX-FRSFM CH L -H 10000-54.89 -31.4PASS TX-FRSFM CH L -H 15000-54.51 -41.9PASS TX-FRSFM CH L -H 20000-54.33 -50PASS TX-FRSFM CH L -H 30000-54.58 -50P…

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TEST SETUP PHOTOS Radiated Spurious Emission: RF Conducted Test Item: