2AD6G-RP425Label Printer

Rongta Technology (Xiamen) Group Co., Ltd. No.88, Tonghui South Road, Tongan, Xiamen City China Date: 11-24-2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AD6G-RP425 FRN: 0024264160 US Agent – Attestation Statement / Part 2.911(d)(7) R ongta Technology (Xiamen) Group Co., Ltd. that as of 11-24-2025, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2AD6G-RP425. Rongta Technology (Xiamen) Group Co., Ltd., accepts to maintain an agent of service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of Rongta Technology (Xiamen) Group Co., Ltd. for FCC ID: 2AD6G-RP425. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Rongta Technology (Xiamen) Group Co., Ltd. Designated Agent: FCC US Agent, LLC Company Representative: Kaihe Xu Designated Agent Representative: Tim Payne Signature: Signature:

RongtaTechnology(Xiamen)GroupCo.,Ltd. 11-24-2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(i)requestforFCCID:2AD6G-RP425 RongtaTechnology(Xiamen)GroupCo.,Ltd.(“theapplicant”)certifiesthatthe equipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Wealsocertifythat,asofthedateofthefilingoftheapplication,theequipmentdoes notutilizecyber-securityoranti-virussoftwarefromKasperskyLab,Inc,oranyofits successorsandassignees,whichisalsoonthe“coveredlist”. Sincerely, (Applicantsignature) (KaiheXu) RongtaTechnology(Xiamen)GroupCo.,Ltd. 11-24-2025 EurofinsElectricalandElectronicTestingNA,Inc. 914WestPatapscoAvenue Baltimore,MD21230 RE:AttestationStatementsPart2.911(d)(5)(ii)requestforFCCID:2AD6G-RP425 RongtaTechnology(Xiamen)GroupCo.,Ltd.(“theapplicant”)certifiesthat,asofthe dateofthefilingoftheapplication,theapplicantisnotidentifiedontheCoveredListas anentityproducing“covered”equipment. Sincerely, (Applicantsignature) (KaiheXu)

RongtaTechnology(Xiamen)GroupCo.,Ltd. Date:Nov.24,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AD6G-RP425 PursuanttoSections0.457and0.459oftheCommission’sRules,weherebyrequestconfidential treatmentofinformationaccompanyingthisapplicationasoutlinedbelow: ExhibitTypeFileName Long-termconfidentiality: Schematics BlockDiagram OperationalDescription Schematics.pdf BlockDiagram.pdf OperationalDescription.pdf Theabovematerialscontaintradesecretsandproprietaryinformationnotcustomarilyreleasedto thepublic.Thepublicdisclosureofthesematerialsmaybeharmfultotheapplicantandprovide unjustifiedbenefitstoitscompetitors. TheapplicantunderstandsthatpursuanttoSection0.457oftheRules,disclosureofthis applicationandallaccompanyingdocumentationwillnotbemadebeforethedateoftheGrant forthisapplication. Sincerely, RongtaTechnology(Xiamen)GroupCo.,Ltd. Signature KaiheXu/Generalmanager TypednameandTitle

RongtaTechnology(Xiamen)GroupCo.,Ltd. FCCID:2AD6G-RP425 POWEROFATTORNEY Date:Nov.24,2025 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroupCo.,Ltd.(DevalQin) onourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.AnyandallactscarriedoutbyWaltekTestingGroupCo.,Ltd.(Deval Qin)onourbehalfshallhavethesameeffectasactsofourown.This authorizationexpiresonNov.23,2026. Sincerely, RongtaTechnology(Xiamen)GroupCo.,Ltd. Signature KaiheXu/Generalmanager TypednameandTitle

Rongta Technology (Xiamen) Group Co., Ltd. FCC ID: 2AD6G-RP425 Date: 11/27/25 Subject: authorization for adding family models To whom it May concern, Statement We confirm the product Label Printer with models RP425, RP425A, RP425B, RP425C, RP425D, RP425E, RP425F, RP425G, RP425H, RP425I, RP425J, RP425K, RP425L, RP425M, RP425N, RP425O, RP425P, RP425Q, RP425R, RP425S, RP425T, RP425U, RP425V, RP425W, RP425X, RP425Y, RP425Z, RP425HD, RP425Pro, TP425, TP425A, TP425B, TP425C, TP425D, TP425E, TP425F, TP425G, TP425H, TP425I, TP425J, TP425K, TP425L, TP425M, TP425N, TP425O, TP425P, TP425Q, TP425R, TP425S, TP425T, TP425U, TP425V, TP425W, TP425X, TP425Y, TP425Z, TP425HD, TP425Pro, RPF413, RP415, TP415, MP415, RP420, TP420, MP420, RP420A, RP420B, RP420C, RP420D, RP420E, RP420F, RP420G, RP420H, RP420I, RP420J, RP420K, RP420L, RP420M, RP420N, RP420O, RP420P, RP420Q, RP420R, RP420S, RP420T, RP420U, RP420V, RP420W, RP420X, RP420Y, RP420Z, TP421A, MP421A, RP421, RP421A, RP421B, RP421C, RP421D, RP421E, RP421F, RP421G, RP421H, RP421I, RP421J, RP421K, RP421L, RP421M, RP421N, RP421O, RP421P, RP421Q, RP421R, RP421S, RP421T, RP421U, RP421V, RP421W, RP421X, RP421Y, RP421Z, TP422, MP422, RP422, RP422A, RP422B, RP422C, RP422D, RP422E, RP422F, RP422G, RP422H, RP422I, RP422J, RP422K, RP422L, RP422M, RP422N, RP422O, RP422P, RP422Q, RP422R, RP422S, RP422T, RP422U, RP422V, RP422W, RP422X, RP422Y, RP422Z, RP*******(*=0-9 or A-Z or blank), TP*******(*=0-9 or A-Z or blank), MP*******(*=0-9 or A-Z or blank), RPF*******(*=0-9 or A-Z or blank), PCB layout, operation description, BOM and antenna. Only the model name, appearance color and screen printing of the shell are different. Yours sincerely, [signature] Kaihe Xu General manager Rongta Technology (Xiamen) Group Co., Ltd.

Appendix- RP425-Photos Page 3 of 9 2. Photographs –Constructional Details 2.1. EUT – External View Model RP425 FCC ID: 2AD6G-RP425 Appendix- RP425-Photos Page 4 of 9 Appendix- RP425-Photos Page 5 of 9

Appendix- RP425-Photos Page 6 of 9 2.2. EUT – Internal View Model RP425 FCC ID: 2AD6G-RP425 Appendix- RP425-Photos Page 7 of 9 Appendix- RP425-Photos Page 8 of 9 ANT Appendix- RP425-Photos Page 9 of 9 ======End======

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 9 TEST REPORT Referen ce No. .................... : WTD25D11302974W004 FCC ID ................................ : 2AD6G-RP425 Applicant ............................ : Rongta Technology (Xiamen) Group Co., Ltd. Address .............................. : No.88, Tonghui South Road, Tongan, Xiamen City, China Manufacturer .................... : Rongta Technology (Xiamen) Group Co., Ltd. Address .............................. : No.88, Tonghui South Road, Tongan, Xiamen City, China Product ............................... : Refer to section 4.3 of the report. Model(s). ............................ : Refer to section 4.3 of the report. Standards........................... : FCC 47CFR Part 2 Subpart J Section 2.1091 Date of Receipt Sample .... : 2025-11-21 Date of Test ....................... : 2025-11-25 to 2025-12-09 Date of Issue ...................... : 2025-12-17 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Frank Yin / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTD25D11302974W004 Page 2 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2. Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2. CONTENTS ............................................................................................................................................... 2 3. REVISION HISTORY ................................................................................................................................. 3 4. GENERAL INFORMATION ....................................................................................................................... 4 4.1. GENERAL DESCRIPTION OF E.U.T.................................................................................................... 4 4.2. DETAILS OF E.U.T. ......................................................................................................................... 4 4.3. MODEL LIST .................................................................................................................................... 5 4.4. TEST FACILITY ................................................................................................................................ 6 4.5. SUBCONTRACTED ........................................................................................................................... 6 4.6. ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 6 5. TEST SUMMARY ...................................................................................................................................... 7 6. RF EXPOSURE ......................................................................................................................................... 8 6.1. REQUIREMENTS .............................................................................................................................. 8 6.2. THE PROCEDURES / LIMIT ................................................................................................................ 8 6.3. MPE CALCULATION METHOD........................................................................................................... 9 6.4. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ................................................................... 9 Reference No.: WTD25D11302974W004 Page 3 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 3. Revision History Test Report No. Date of Receipt Sample Date of Test Date of Issue Purpose Comment Approved WTD25D11302974W004 2025-11-21 2025-11-25 to 2025-12-09 2025-12-17Original - Valid Reference No.: WTD25D11302974W004 Page 4 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: Refer to section 4.3 of the report. Model(s): Refer to section 4.3 of the report. Model Description: Refer to section 4.3 of the report. Test Sample No.: 1-1/1 Bluetooth Version: V5.2 Hardware Version: RP425_MH22P2_WBU_V**********(*=0-9, A-Z.a-z, “.” “_”) Software Version: V***********(*=0-9, A-Z.a-z, “.” “_”) 4.2. Details of E.U.T. Operation Frequency: BLE: 2402~2480MHz Bluetooth: 2402~2480MHz Max. RF output power: BLE:3.25dBm Bluetooth: 3.41dBm Modulation Technology: BLE: GFSK Bluetooth: GFSK, π/4DQPSK, 8DPSK Antenna installation: PCB Antenna Antenna Gain: -0.58dBi Note: #: The antenna gain is provided by the applicant, and the applicant should be responsible for its authenticity, WALTEK lab has not verified the authenticity of its information. Ratings: Power Input: 24V 2.5A Power Adapter: Input: AC 100-240V, 50/60Hz Output: 24V 2.5A Reference No.: WTD25D11302974W004 Page 5 of 9 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3. Model List Product: Model(s): Label Printer RP425, RP425A, RP425B, RP425C, RP425D, RP425E, RP425F, RP425G, RP425H, RP425I, RP425J, RP425K, RP425L, RP425M, RP425N, RP425O, RP425P, RP425Q, RP425R, RP425S, RP425T, RP425U, RP425V, RP425W, RP425X, RP425Y, RP425Z, RP425HD, RP425Pro, TP425, TP425A, TP425B, TP425C, TP425D, TP425E, TP425F, TP425G, TP425H, TP425I, TP425J, TP425K, TP425L, TP425M, TP425N, TP425O, TP425P, TP425Q, TP425R, TP425S, TP425T, TP425U, TP425V, TP425W, TP425X, TP425Y, TP425Z, TP425HD, TP425Pro, RPF413, RP415, TP415, MP415, RP420, TP420, MP420, RP420A, RP420B, RP420C, RP4…

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Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dB Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) No.333No.333 Kexing Road, Nanping Town, Zhuhai ,China. Address Address Kexing Road, Nanping Town, Zhuhai ,China. Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 79 TEST REPORT Re ference No. .................... : WTD25D11302974W003 FCC ID ................................ : 2AD6G-RP425 Applicant ............................ : Rongta Technology (Xiamen) Group Co., Ltd. Address .............................. : No.88, Tonghui South Road, Tongan, Xiamen City, China Manufacturer .................... : Rongta Technology (Xiamen) Group Co., Ltd. Address .............................. : No.88, Tonghui South Road, Tongan, Xiamen City, China Product ............................... : Refer to section 4.3 of the report. Model(s). ............................ : Refer to section 4.3 of the report. Standards........................... : FCC 47CFR Part 15.247 Date of Receipt Sample .... : 2025-11-21 Date of Test ....................... : 2025-11-25 to 2025-12-09 Date of Issue ...................... : 2025-12-17 Test Result ......................... : Pass Remarks: The re sults shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Prepared By: Waltek Testing Group Co., Ltd. Address: No. 77, Houjie Section, Guantai Road, Houjie Town, Dongguan City, Guangdong, China Tel: +86-769-2267 6998 Fax: +86-769-2267 6828 Compiled by: Approved by: Frank Yin / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTD25D11302974W003 Page 2 of 79 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 2 Contents Page 1 COVER PAGE ........................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 2 3 REVISION HISTORY ................................................................................................................................. 4 4 GENERAL INFORMATION ....................................................................................................................... 5 4.1 GENERAL DESCRIPTION OF E.U.T. ....................................................................................................... 5 4.2 DETAILS OF E.U.T. .............................................................................................................................. 5 4.3 MODEL LIST ........................................................................................................................................ 6 4.4 CHANNEL LIST ..................................................................................................................................... 7 4.5 TEST MODE ........................................................................................................................................ 7 4.6 TEST FACILITY .................................................................................................................................... 8 5 TEST SUMMARY ...................................................................................................................................... 9 6 EQUIPMENT USED DURING TEST ....................................................................................................... 10 6.1 EQUIPMENTS LIST ............................................................................................................................. 10 6.2 DESCRIPTION OF SUPPORT UNITS ...................................................................................................... 11 6.3 MEASUREMENT UNCERTAINTY ........................................................................................................... 11 7 CONDUCTED EMISSION ....................................................................................................................... 12 7.1 E.U.T. OPERATION ............................................................................................................................ 12 7.2 EUT SETUP ...................................................................................................................................... 12 7.3 MEASUREMENT DESCRIPTION ............................................................................................................ 12 7.4 CONDUCTED EMISSION TEST RESULT ................................................................................................ 13 8 RADIATED SPURIOUS EMISSIONS ..................................................................................................... 15 8.1 EUT OPERATION ............................................................................................................................... 15 8.2 TEST SETUP ..................................................................................................................................... 16 8.3 SPECTRUM ANALYZER SETUP ............................................................................................................ 17 8.4 TEST PROCEDURE ............................................................................................................................. 18 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION .............................................................................. 18 8.6 SUMMARY OF TEST RESULTS ............................................................................................................. 19 9 CONDUCTED SPURIOUS EMISSIONS ................................................................................................. 22 9.1 TEST PROCEDURE ............................................................................................................................. 22 9.2 TEST RESULT ...................................................................................................................…

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Appendix- RP425-Photos Page 1 of 9 1. Test Setup photos Model RP425 FCC ID: 2AD6G-RP425 1.1 Photograph – Conducted Emission For Conducted Emission Test Site 1# 1.2 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 2# Appendix- RP425-Photos Page 2 of 9 For 30MHz-1000MHz Test Site 2# For Above 1GHz Test Site 1#