Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Shenzhen Ysair Technology Co., LTD Address: Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Email: [email protected] Date: 2026-07-01 Attestation Letter FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Shenzhen Ysair Technology Co., LTD, have a product Two Way Radio, Model name: EZTalk 2S, RA88, FCC ID:2A3OORA88, for the purpose of marketing, this product only supports 462MHz Main channels: 462.5500-462.7250MHz/ 462MHz Interstitial channels: 462.5625-462.7125MHz; 467MHz Main channels: 467.5500-467.7250MHz/ 467MHz Interstitial channels: 467.5625-467.7125MHz. 462MHz Main channels/462MHz Interstitial channels/467MHz Main channels: channel separation: 12.5kHz&25kHz. 467MHz Interstitial channels: channel separation:12.5kHz. The other functions were disabled to use by manufacturer in the software, the end user has no capability to activate it. Sincerely Yours, Signature: Dongfang Shen Manager
Shenzhen Ysair Technology Co., LTD Address:Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2026-07-01 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID: 2A3OORA88 Shenzhen Ysair Technology Co., LTD certifies that the equipment for which authorization is sought, is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely Yours, Signature: Dongfang Shen Manager
Shenzhen Ysair Technology Co., LTD Address:Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Email: [email protected] CFR 47 §2.911 (d)(5)(ii) Attestation Letter Attestation Letter Date: 2026-07-01 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(ii) Filing FCC ID: 2A3OORA88 Shenzhen Ysair Technology Co., LTD certifies that as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. We also certify that, as of the date of the filing of the application, the equipment does not utilize cyber-security or anti-virus software from Kaspersky Lab, Inc, or any of its successors and assignees, which is also on the “covered list”. Sincerely Yours, Signature: Dongfang Shen Manager
U.S.AGENTLETTEROFATTESTATION Date:2026-07- 01 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID: 2A3OORA88 Shenzhen Ysair Technology Co., LTD certifies that, as of the date of the filing of the application, RETEVIS INC is our designated U.S. agent for service of process for the above referenced FCC ID. Shenzhen Ysair Technology Co., LTD accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. RETEVIS INC accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: RETEVIS INC Address: 1733 E BROOKPORT ST Covina, CA 91724 United States FRN: 0033657701 Tel.:+1(626)362-2594 Email: [email protected] Signed by(printed name): Mrs LIUYE LI Signature: Applicant: Shenzhen Ysair Technology Co., LTD Address: Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China FRN: 0 031641426 Tel:+86-755-23481953 Email:[email protected] Signed by(printed name): Dongfang Shen Signature:
ShenzhenYsairTechnologyCo.,LTD Address:Room403,4thFloor,Building4,YunliIntelligentPark,No.3ChangfaMiddleRoad, YangmeiCommunity,BantianStreet,LonggangDistrict,Shenzhen,China Tel:+86-755-23481953 Email:[email protected] QA-FR-170-B7/29/2014 FCCAuthorization Date:2026-07-01 FEDERALCOMMUNICATIONSCOMMISSIONS AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:AgentAuthorization Towhomitmayconcern: WeShenzhenYsairTechnologyCo.,LTD,theundersigned,herebyauthorizes ShenzhenAccurateTechnologyCo.,Ltd.toactonitsbehalfinallmattersrelatingto applicationforEquipmentauthorization,includingthesigningofalldocumentsrelating tothesematters.AllactscarriedoutbyShenzhenAccurateTechnologyCo.,Ltd.on ourbehalfshallhavethesameeffectasourownaction. We,theundersigned,herebycertifythatwearenotsubjecttoadenialoffederalbenefits, thatincludesFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988, 21U.S.C.862. Thisauthorizationisvaliduntilfurtherwrittennoticefromtheapplicant. SincerelyYours, Signature: DongfangShen Manager
ShenzhenYsairTechnologyCo.,LTD Address:Room403,4thFloor,Building4,YunliIntelligentPark,No.3ChangfaMiddleRoad, YangmeiCommunity,BantianStreet,LonggangDistrict,Shenzhen,China Tel:+86-755-23481953 Email:[email protected] FCCConfidentialAuthorization Date:2026-07-01 FEDERALCOMMUNICATIONSCOMMISSIONS AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 Subject:ConfidentialityRequestregardingapplicationforcertificationof FCCID:2A3OORA88 InaccordancewithSections0.457and0.459oftheCommission’sRules,Shenzhen YsairTechnologyCo.,LTDherebyrequestslong-termconfidentialtreatmentof informationaccompanyingthisapplicationasoutlinedbelow: BlockDiagram Schematics OperationDescription Partlist/TuneupProcedure Aswellasshort-termconfidentialtreatmentofinformationaccompanyingthis applicationforaperiodof180daysaftergrantisissuedasoutlinedbelow: InternalPhotos User’sManual ExternalPhotos TestSet-upPhotos Theabovematerialscontainproprietaryandconfidentialinformationnotcustomarily releasedtothepublic.Thepublicdisclosureofthesematerialsprovidesunjustified benefitstoitscompetitorsinthemarket. SincerelyYours, Signature: DongfangShen Manager
Shenzhen Ysair Technology Co., LTD Address:Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Tel: +86-755-23481953 Email: [email protected] Date: 2026-07-01 Declaration of Similarity To whom it may concern: We, Shenzhen Ysair Technology Co., LTD hereby declare that we have a product named as Two Way Radio, the models: EZTalk 2S, RA88, FCC ID:2A3OORA88. All of the models are electrically identical, the difference among them is model name and sales channels. Model EZTalk 2S is used for online sale on different Online platform. Model RA88 is use for offline sale which may sell to school or business group or training center, since the price may change for different customer, we need different model to seclude it. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Sincerely Yours, Signature: Dongfang Shen Manager
Note: The information marked # is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report must not be used by the customer to claim product certification, approval, or endorsement by NVLAP or any agency of the U.S. Government. This report may contain data that are not covered by the NVLAP accreditation and are marked with an asterisk “▼”. Bay Area Compliance Laboratories Corp. (Shenzhen) 5F(B-West) , 6F, 7F, the 3rd Phase of Wan Li Industrial Building D, Shihua Rd, FuTian Free Trade Zone, Shenzhen, China Tel: +86-755-33320018Fax: +86-755-33320008www.baclcorp.com.cn TR-EM-SA005Page 1 of 61Version 3.0 TEST REPORT Applicant Name: Address: Report Number: FCC ID: Shenzhen Ysair Technology Co., LTD Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community Bantian Street, Longgang District, Shenzhen China 2501S30338E-SA 2A3OORA88 Test Standard (s) FCC 47 CFR part 2.1093 Sample Description Product Name: Two Way Radio Model No.: EZTalk 2S Multiple Model(s) No.: RA88 Trade Mark: RETEVIS Serial Number: 3G4G-1 Date Received: 2026/01/14 Date of Test: 2026/03/19 Issue Date: 2026/07/07 Test Result: Pass ▲ ▲In the configuration tested, the EUT complied with the standards above. Prepared and Checked By: Approved By: Danil Qiu Jimmy Xiao SAR Engineer EMC Manager Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: 2501S30338E-SA TR-EM-SA005Page 2 of 61Version 3.0 Attestation of Test Results Frequency Band Max. SAR Level(s) Reported(W/kg) Limit(W/Kg) PTT(462.5500-467.7250MHz) 1g Head SAR 0.80 1.6 1g Body SAR 1.48 Applicable Standards FCC 47 CFR part 2.1093 Radiation exposure evaluation: portable devices RF Exposure Procedures: TCB Workshop April 2019 IEEE 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 KDB procedures KDB 447498 D01 General RF Exposure Guidance v06 KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz v01r04 KDB 865664 D02 RF Exposure Reporting v01r02 KDB 643646 D01 SAR Test for PTT Radios v01r03 Note: This wireless device has been shown to be capable of compliance for localized specific absorption rate (SAR) for Population/Uncontrolled Exposure limits specified in FCC 47 CFR part 2.1093 and has been tested in accordance with the measurement procedures specified in IEEE 1528-2013 and RF exposure KDB procedures. The results and statements contained in this report pertain only to the device(s) evaluated. Bay Area Compliance Laboratories Corp.(Shenzhen) Report No.: 2501S30338E-SA TR-EM-SA005 Page 3 of 61 Version 3.0 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ......................................................................................................................... 4 EUT DESCRIPTION ................................................................................................................................................... 5 TECHNICAL SPECIFICATION ......................................................................................................................................... 5 REFERENCE, STANDARDS, AND GUILDELINES .............................................................................................. 6 SAR LIMITS ................................................................................................................................................................ 6 FACILITIES ................................................................................................................................................................. 7 DESCRIPTION OF TEST SYSTEM .......................................................................................................................... 8 EQUIPMENT LIST AND CALIBRATION ............................................................................................................. 15 EQUIPMENT’S LIST & CALIBRATION INFORMATION .................................................................................................. 15 SAR MEASUREMENT SYSTEM VERIFICATION ............................................................................................. 16 LIQUID VERIFICATION ............................................................................................................................................... 16 SYSTEM ACCURACY VERIFICATION .......................................................................................................................... 17 SAR SYSTEM VALIDATION DATA .................................................................................................................... 18 EUT TEST STRATEGY AND METHODOLOGY ................................................................................................. 19 TEST POSITIONS FOR BODY-WORN AND OTHER CONFIGURATIONS ............................................................................. 19 TEST DISTANCE FOR SAR EVALUATION ................................................................................................................... 19 SAR EVALUATION PROCEDURE ................................................................................................................................ 20 RADIATED OUTPUT POWER MEASUREMENT ............................................................................................... 21 TEST PROCEDURE ...................................................................................…
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A ntenna Specification Model Name：RA88 Antenna Band Width：462-467MHz Antenna type: Helical antenna Gain: 1.76dBi V.S.W.R(in BW): ≤1.5 Impedance: 50Ω Manufacture: Shenzhen Ysair Technology Co., LTD Address:Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community , Bantian Street, Longgang District, Shenzhen, China Antenna and dimensions Unit: mm
Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA, or any agency of the Federal Government. The information marked “#” is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included but no need marked. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. Floor 1, KuMaKe Building, Dongzhou Community, Guangming Street, Guangming District, Shenzhen, Guangdong, China. Tel: +86 755-26503290 Web: www.atc-lab.com Rev:A/4.0(2024/11/01) Page 1 of 74 TR-4-E-R041 TEST REPORT Applicant Name: Shenzhen Ysair Technology Co., LTD Address: Room 403, 4th Floor, Building 4, Yunli Intelligent Park, No. 3 Changfa Middle Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China Report Number: 2604P04335E-RF FCC ID: 2A3OORA88 Test Standard (s) FCC Part 95 Subpart E Sample Description Product Name: Two Way Radio Model No.: EZTalk 2S, RA88 Trade Mark: RETEVIS Received Date: 2026-01-14 Report Date: 2026-06-24 Test Result: The EUT complied with the standards above. Prepared and Checked By: Approved By: Amanda Wei Bob.Liao EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: 2604P04335E-RF Rev:A/4.0(2024/11/01) Page 2 of 74 TR-4-E-R041 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ................................................................................................................ 4 GENERAL INFORMATION ............................................................................................................................ 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ........................................................................ 5 OBJECTIVE ................................................................................................................................................... 5 TEST METHODOLOGY .................................................................................................................................... 5 TEST FACILITY .............................................................................................................................................. 6 MEASUREMENT UNCERTAINTY ....................................................................................................................... 6 SYSTEM TEST CONFIGURATION ............................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION ......................................................................................................... 7 EQUIPMENT MODIFICATIONS .......................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS ....................................................................................................... 8 EXTERNAL I/O CABLE .................................................................................................................................... 8 BLOCK DIAGRAM OF TEST SETUP .................................................................................................................. 8 SUMMARY OF TEST RESULTS ................................................................................................................... 9 TEST EQUIPMENT LIST ............................................................................................................................. 10 RF EXPOSURE ............................................................................................................................................ 11 APPLICABLE STANDARD ............................................................................................................................... 11 FREQUENCY ACCURACY ......................................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................... 12 TEST DATA ................................................................................................................................................. 13 RF OUTPUT POWER ................................................................................................................................... 14 APPLICABLE STANDARD ............................................................................................................................... 14 TEST PROCEDURE ...................................................................................................................................... 14 TEST DATA ................................................................................................................................................. 14 EMISSION TYPES ....................................................................................................................................... 15 APPLICABLE STANDARD ............................................................................................................................... 15 JUDGMENT .................................................................................................................................................. 15 AUTHOURIZED BANDWIDTH AND EMISSION MASK ............................…
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1733 E BROOKPORT ST · Covina, California, 91724 · United States
| # | Rule Parts | Frequency Range | Power Output | Emission | Tolerance |
|---|---|---|---|---|---|
| 1 | 95E | 462.55 MHz - 462.725 MHz | 1.656 W | 11K0F3E | 2.5ppm |
| 2 | 95E | 462.55 MHz - 462.725 MHz | 1.71 W | 16K0F3E | 2.5ppm |
| 3 | 95E | 462.5625 MHz - 462.7125 MHz | 1.633 W | 11K0F3E | 2.5ppm |
| 4 | 95E | 462.5625 MHz - 462.7125 MHz | 1.667 W | 16K0F3E | 2.5ppm |
| 5 | 95E | 467.55 MHz - 467.725 MHz | 1.563 W | 11K0F3E | 2.5ppm |
| 6 | 95E | 467.55 MHz - 467.725 MHz | 1.663 W | 16K0F3E | 2.5ppm |
| 7 | 95E | 467.5625 MHz - 467.7125 MHz | 357.00 mW | 11K0F3E | 2.5ppm |