2AD6G-F12APortable Thermal Printer

RongtaTechnology(Xiamen)GroupCo., Ltd. No.88,TonghuiSouth Road,Tongan,XiamenCity China Date: 03-25-2026 FederalCommunicationsCommission Authorizationand EvaluationDivision 7435 OaklandMills Road Columbia,MD 21046 FCC ID: 2AD6G-F12A FRN: 0024264160 US Agent – AttestationStatement/ Part 2.911(d)(7) Rongta Technology (Xiamen) Group Co., Ltd. that as of 03-25-2026, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2AD6G-F12A. RongtaTechnology(Xiamen)GroupCo., Ltd. , acceptsto maintainan agent of serviceof process in the UnitedStatesfor no less than one year after either the granteehas permanentlyterminated all marketingand importationof the applicableequipmentwithin the U.S., or the conclusionof any Commission-relatedadministrativeor judicialproceedinginvolvingthe equipment,whicheveris later. FCC US Agent,LLC, acceptsas of the date of the filing of this application,the obligationof being the designatedagent for the purposeof acceptingserviceof processon behalfof Rongta Technology(Xiamen)GroupCo., Ltd. for FCC ID: 2AD6G-F12A. DesignatedAgentInformation: CompanyName:FCC US Agent,LLC FRN: 0033402884 Address:3722 IllinoisAvenue,Saint Charles,IL, 60174,USA ContactPerson:Tim Payne Phone:708-571-3148 Email:[email protected] Sincerely, Company:RongtaTechnology(Xiamen)Group Co., Ltd. DesignatedAgent:FCC US Agent,LLC CompanyRepresentative:Kaihe XuDesignatedAgent Representative:Tim Payne Signature: Signature:

RongtaTechnology(Xiamen)GroupCo., Ltd. 03-25-2026 EurofinsElectricaland ElectronicTestingNA, Inc. 914 WestPatapscoAvenue Baltimore,MD 21230 RE: AttestationStatementsPart 2.911(d)(5)(i)requestforFCC ID : 2AD6G-F12A RongtaTechnology(Xiamen)GroupCo., Ltd.(“the applicant”) certifiesthat the equipmentfor whichauthorizationis soughtis not “covered” equipmentprohibited fromreceivingan equipmentauthorizationpursuantto section2.903of the FCC rules. We also certifythat,as of the dateof the filingof the application,the equipmentdoes not utilizecyber-securityor anti-virussoftwarefromKasperskyLab, Inc, or any of its successorsand assignees,whichis also on the “coveredlist ”. Sincerely, (Applicantsignature) (KaiheXu) RongtaTechnology(Xiamen)GroupCo., Ltd. 03-25-2026 EurofinsElectricaland ElectronicTestingNA, Inc. 914 WestPatapscoAvenue Baltimore,MD 21230 RE: AttestationStatementsPart 2.911(d)(5)(ii)requestforFCC ID : 2AD6G-F12A RongtaTechnology(Xiamen)GroupCo., Ltd.(“the applicant”) certifiesthat,as of the dateof the filingof the application,the applicantis not identifiedon the CoveredList as an entityproducing“covered” equipment. Sincerely, (Applicantsignature) (KaiheXu)

RongtaTechnology(Xiamen)GroupCo.,Ltd. Date:Mar.25,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AD6G-F12A 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-F12A POWEROFATTORNEY Date:Mar.25,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroupCo.,Ltd.(DevalQin) onourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.AnyandallactscarriedoutbyWaltekTestingGroupCo.,Ltd.(Deval Qin)onourbehalfshallhavethesameeffectasactsofourown.This authorizationexpiresonMar.24,2027. Sincerely, RongtaTechnology(Xiamen)GroupCo.,Ltd. Signature KaiheXu/Generalmanager TypednameandTitle

RongtaTechnology(Xiamen)GroupCo.,Ltd. FCCID:2AD6G-F12A Date:4/1/26 Subject:authorizationforaddingfamilymodels TowhomitMayconcern, Statement WeconfirmtheproductLabelPrinterwithmodelsF12,F12A,F12B,F12C,F12D,F12F,F12G, F12M,F12N,F12S,F13,F13A,F13B,F13C,F13D,F13F,F13G,F13M,F13N,F13S,F14, F14A,F14B,F14C,F14D,F14F,F14G,F14M,F14N,F14S,F15,F15A,F15B,F15C,F15D, F15F,F15G,F15M,F15N,F15S,F16,F16A,F16B,F16C,F16D,F16F,F16G,F16M,F16N, F16S,F17,F17A,F17B,F17C,F17D,F17F,F17G,F17M,F17N,F17S,F18,F18A,F18B, F18C,F18D,F18F,F18G,F18M,F18N,F18S,F19,F19A,F19B,F19C,F19D,F19F,F19G, F19M,F19N,F19S,T11,T11A,T11B,T11C,T11D,T11F,T11G,T11M,T11N,T11S,T12,T12A, T12B,T13,T13A,T13B,T15,T15A,T15B,T16,T16A,T16B,T17,T17A,T18,T18A,T19, T19A,F21,F21A,F21B,F22,F23,F31,F31A,F31B,F32,F33,F41,F41A,F41B,F51,F52, F53,F61,F62,F71,F72,F81,F82,F91,F92,T21,T22,T23,T31,T41,T51,T61,T71,T81, T81,F***,T***(*=0-9orA-Zorblank)aresameintheschematic,PCBlayout,operation description,BOMandantenna.Onlythemodelname,appearancecolorandscreenprintingof theshellaredifferent. Yourssincerely, [signature] KaiheXu Generalmanager RongtaTechnology(Xiamen)GroupCo.,Ltd.

Appendix-F12A-Photos Page 3 of 9 2. Photographs –Constructional Details 2.1. EUT – External View Model F12A FCC ID: 2AD6G-F12A M/N: F12A M/N: F12B M/N: F12D Appendix-F12A-Photos Page 4 of 9 Appendix-F12A-Photos Page 5 of 9 Appendix-F12A-Photos Page 6 of 9

Appendix-F12A-Photos Page 7 of 9 2.2. EUT – Internal View Model F12A FCC ID: 2AD6G-F12A Appendix-F12A-Photos Page 8 of 9 Appendix-F12A-Photos Page 9 of 9 ======End====== Ant.

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 8 TEST REPORT Referen ce No. .................... : WTD26D03065047W004 FCC ID ................................ : 2AD6G-F12A 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 ............................... : Portable Thermal Printer Model(s). ............................ : F12A Standards........................... : 47CFR FCC Part 2 Subpart J Section 2.1093 Date of Receipt Sample .... : 2026-03-23 Date of Test ....................... : 2026-03-25 to 2026-04-02 Date of Issue ...................... : 2026-04-02 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: Estel Qian / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTD26D03065047W004 Page 2 of 8 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. TEST FACILITY ................................................................................................................................ 5 4.4. SUBCONTRACTED ........................................................................................................................... 5 4.5. ABNORMALITIES FROM STANDARD CONDITIONS ................................................................................ 5 5. TEST SUMMARY ...................................................................................................................................... 6 6. RF EXPOSURE ......................................................................................................................................... 7 6.1. PROCEDURES AND REQUIREMENTS ................................................................................................. 7 6.2. CALCULATION METHOD ................................................................................................................... 7 6.3. TEST RESULT ................................................................................................................................. 8 Reference No.: WTD26D03065047W004 Page 3 of 8 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 CommentApproved WTD26D03065047W004 2026-03-23 2026-03-25 to 2026-04-02 2026-04-02Original - Valid Reference No.: WTD26D03065047W004 Page 4 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4. General Information 4.1. General Description of E.U.T. Product: Portable Thermal Printer Model(s): F12A Additional models: F12, F12B, F12C, F12D, F12F, F12G, F12H, F12L, F12K, F12M, F12N, F12R, F12S, F12T, F12U, F12V, F12W, F12X, F12Y, F12Z, F12 Pro, F12 Lite, F13, F13A, F13B, F13C, F13D, F13F, F13G, F13M, F13N, F13S, F14, F14A, F14B, F14C, F14D, F14F, F14G, F14M, F14N, F14S, F15, F15A, F15B, F15C, F15D, F15F, F15G, F15M, F15N, F15S, F16, F16A, F16B, F16C, F16D, F16F, F16G, F16M, F16N, F16S, F17, F17A, F17B, F17C, F17D, F17F, F17G, F17M, F17N, F17S, F18, F18A, F18B, F18C, F18D, F18F, F18G, F18M, F18N, F18S, F19, F19A, F19B, F19C, F19D, F19F, F19G, F19M, F19N, F19S, T11, T11A, T11B, T11C, T11D, T11F, T11G, T11M, T11N, T11S, T12, T12A, T12B, T13, T13A, T13B, T15, T15A, T15B, T16, T16A, T16B, T17, T17A, T18, T18A, T19, T19A, F21, F21A, F21B, F22, F23, F31, F31A, F31B, F32, F33, F41, F41A, F41B, F51, F52, F53, F61, F62, F71,F72, F81, F82, F91, F92, T21, T22, T23, T31, T41, T51, T61, T71,T81, T81, F***, T***(*=0-9 or A-Z or blank) Model Description: Only the models name, appearance color and screen printing of the shell are different. Model F12A was tested in this report. Test Sample No.: 1-1/1 Bluetooth Version: V5.1 Hardware Version: F12_JL_BU_V1.0_260105 Software Version: V1.0.*_****** 4.2. Details of E.U.T. Operation Frequency: Bluetooth: 2402-2480MHz LE: 2402-2480MHz Max. RF output power: Bluetooth: -4.77dBm LE 1M: -0.93dBm, LE 2M: -0.83dBm Modulation Technology: Bluetooth: GFSK, π/4DQPSK, 8DPSK LE: GFSK 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: 5V 2A Battery: 7.4V, 1500mAh, 11.1Wh Reference No.: WTD26D03065047W004 Page 5 of 8 Waltek Testing Group Co., Ltd. http://www.waltek.com.cn 4.3. Te…

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InvertedF AntennaSpecification Summary ITEM ANTSPEC ModelName 2.4GANT Center Frequency HorizontalVertical 240 0MHz240 0MHz25 00MHz24 00MHz240 0MHz25 00MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX.Gain -0.58dBi PolarizationHorizontaland Vertical AzimuthBeam Pattern Omni-directional Impedance 50 Ohm AntennaLength 38.20mm Manufacture ZHUHAIJIELITECHNOLOGYCO.,LTD Address No.333 ， KexingRoad,NanpingTown,Zhuhai ,China. AntennaPhoto& Length(mm) Horizontal:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-40Scale:5/div Frequency (MHz) Gain(dB) 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:2400MHz2450MHz2500MHz Power(dBm) Max:0Min:-30Scale:5/div Frequency (MHz) Gain(dB) Max Min Avg 2400-5.2537-22.1424-12.4294 2450-2.4652-24.5837-10.4702 2500-1.86120-29.5214-9.20432 ANTTestLabs ： AttestationofGlobalComplianceCo.,Ltd.

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 78 TEST REPORT Re ference No. .................... : WTD26D03065047W002 FCC ID ................................ : 2AD6G-F12A 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 ............................... : Portable Thermal Printer Model(s). ............................ : F12A Standards........................... : FCC 47CFR Part 15.247 Date of Receipt Sample .... : 2026-03-23 Date of Test ....................... : 2026-03-25 to 2026-04-02 Date of Issue ...................... : 2026-04-02 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: Estel Qian / Project Engineer Deval Qin / Designated Reviewer Reference No.: WTD26D03065047W002 Page 2 of 78 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 CHANNEL LIST ..................................................................................................................................... 6 4.4 TEST MODE ........................................................................................................................................ 6 4.5 TEST FACILITY .................................................................................................................................... 7 5 TEST SUMMARY ...................................................................................................................................... 8 6 EQUIPMENT USED DURING TEST ......................................................................................................... 9 6.1 EQUIPMENTS LIST ............................................................................................................................... 9 6.2 DESCRIPTION OF SUPPORT UNITS ...................................................................................................... 10 6.3 MEASUREMENT UNCERTAINTY ........................................................................................................... 10 7 CONDUCTED EMISSION ....................................................................................................................... 11 7.1 E.U.T. OPERATION ............................................................................................................................ 11 7.2 EUT SETUP ...................................................................................................................................... 11 7.3 MEASUREMENT DESCRIPTION ............................................................................................................ 11 7.4 CONDUCTED EMISSION TEST RESULT ................................................................................................ 12 8 RADIATED SPURIOUS EMISSIONS ..................................................................................................... 14 8.1 EUT OPERATION ............................................................................................................................... 14 8.2 TEST SETUP ..................................................................................................................................... 15 8.3 SPECTRUM ANALYZER SETUP ............................................................................................................ 16 8.4 TEST PROCEDURE ............................................................................................................................. 17 8.5 CORRECTED AMPLITUDE & MARGIN CALCULATION .............................................................................. 17 8.6 SUMMARY OF TEST RESULTS ............................................................................................................. 18 9 CONDUCTED SPURIOUS EMISSIONS ................................................................................................. 21 9.1 TEST PROCEDURE ............................................................................................................................. 21 9.2 TEST RESULT .................................................................................................................................... 22 10 BAND EDGE MEASUREMENT .............................................................................................................. 37 10.1 TEST PROCEDURE ...............…

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Appendix-F12A-Photos Page 1 of 9 1. Test Setup photos Model F12A FCC ID: 2AD6G-F12A 1.1 Photograph – Conducted Emission For Conducted Emission Test Site 1# 1.2 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 2# Appendix-F12A-Photos Page 2 of 9 For 30MHz-1000MHz Test Site 2# For Above 1GHz Test Site 1#