2AD6G-T12BTattoo Stencil Printer/Portable Thermal Printer

Rongta Technology (Xiamen) Group Co., Ltd. No.88, Tonghui South Road, Tongan, Xiamen City, China Date: 09-11-2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AD6G-T12B FRN:0024264160 US Agent – Attestation Statement / Part 2.911(d)(7) Rongta Technology (Xiamen) Group Co., Ltd. certifies, that as of 09-11-2026, we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2AD6G-T12B. 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-T12B. 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, Rongta Technology (Xiamen) Group Co., Ltd. Designated Agent: FCC US Agent, LLC Company Representative: Kaihe Xu Designated Agent Representative: Tim Payne Signature: Signature:

Rongta Technology (Xiamen) Group Co., Ltd. Date: 2026‐09‐11 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2AD6G‐T12B) [Rongta Technology (Xiamen) Group Co., Ltd.] (“the applicant”) 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. 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, Applicant signature Kaihe Xu General manager Rongta Technology (Xiamen) Group Co., Ltd. Rongta Technology (Xiamen) Group Co., Ltd. Date: 2026‐09‐11 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2AD6G‐T12B) [Rongta Technology (Xiamen) Group Co., Ltd.] (“the applicant”) 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. Sincerely, Applicant signature Kaihe Xu General manager Rongta Technology (Xiamen) Group Co., Ltd.

RongtaTechnology(Xiamen)GroupCo.,Ltd. Date:Sep11,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision ConfidentialityRequestregardingapplicationforcertificationofFCCID:2AD6G-T12B 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-T12B POWEROFATTORNEY Date:Sep.11,2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 ToWhomItMayConcern: We,theundersigned,herebyauthorizeWaltekTestingGroupCo.,Ltd.(DevalQin) onourbehalf,toapplytotheFederalCommunicationsCommissiononour equipment.AnyandallactscarriedoutbyWaltekTestingGroupCo.,Ltd.(Deval Qin)onourbehalfshallhavethesameeffectasactsofourown.This authorizationexpiresonSep.10,2027. Sincerely, RongtaTechnology(Xiamen)GroupCo.,Ltd. Signature KaiheXu/Generalmanager TypednameandTitle

RongtaTechnology(Xiamen)GroupCo.,Ltd. FCCID:2AD6G-T12B Date:2026/9/11 Subject:authorizationforaddingfamilymodels TowhomitMayconcern, Statement WeconfirmtheproductTattooStencilPrinter/PortableThermalPrinterwithmodelsT12B, T12A,T12D,T12C,T12,T12E,T12F,T12G,T12H,T12L,T12K,T12M,T12N,T12S,T12W, T12Y,F11,F11A,F11B,F11C,F11D,F11E,F11F,F11G,F11L,F11K,F11M,F11N,F11S, F11W,F11X,F11Y,F11Z,F13,F13A,F13B,F13C,F13D,F13E,F13F,F13G,F13M,F13N, F13S,F13W,F14,F14A,F14B,F14C,F14D,F14E,F14F,F14G,F14M,F14N,F14S,F15, F15A,F15B,F15C,F15D,F15E,F15F,F15G,F15M,F15N,F15S,F16,F16A,F16B,F16C, F16D,F16E,F16F,F16G,F16M,F16N,F16S,F17,F17A,F17B,F17C,F17D,F17E,F17F, F17G,F17M,F17N,F17S,F18,F18A,F18B,F18C,F18D,F18E,F18F,F18G,F18M,F18N, F18S,F19,F19A,F19B,F19C,F19D,F19E,F19F,F19G,F19M,F19N,F19S,T13,T13A, T13B,T13C,T13D,T13E,T13F,T13G,T13M,T13N,T13S,T14,T14A,T14B,T15,T15A, T15B,T16,T16A,T16B,T16C,T16D,T16E,T16F,T16G,T16M,T16N,T16S,T17,T17A,T18, T18A,T18B,T19,T19A,T19B,T19C,T19D,T19E,T19F,T19G,T19M,T19N,T19S,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,F****, T****(*=0-9orA-Zorblank)aresameintheSchematic,PCBlayout,Operationdescription, BOMandAntenna.Onlythemodelname,appearancecolorandscreenprintingoftheshell aredifferent. Yourssincerely, [signature] KaiheXu Generalmanager RongtaTechnology(Xiamen)GroupCo.,Ltd.

Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 3 of 12 2. Photographs –Constructional Details 2.1. EUT – External View FCC ID: 2AD6G-T12B Model T12B Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 4 of 12 Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 5 of 12 Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 6 of 12 Model T12A Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 7 of 12 Model T12D

Label and Label Location

Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 8 of 12 2.2. EUT – Internal View Model T12B FCC ID: 2AD6G-T12B Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 9 of 12 Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 10 of 12 Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 11 of 12 Antenna Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 12 of 12 ======End======

Waltek Testing Group Co., Ltd. http://www.waltek.com.cn Page 1 of 8 TEST REPORT Reference No. .................... : WTD26D08235754W004 FCC ID ................................ : 2AD6G-T12B 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 ............................... : Tattoo Stencil Printer/Portable Thermal Printer Model(s). ............................ : Refer to section 4.2 Standards........................... : 47CFR FCC Part 2 Subpart J Section 2.1093 Date of Receipt sample .... : 2026-08-13 Date of Test ....................... : 2026-08-19 to 2026-09-01 Date of Issue ...................... : 2026-09-11 Test Result ......................... : Pass Remarks: The res ults 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 Dev al Qin / Designated Reviewer Reference No.: WTD26D08235754W004 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. MODELS LIST .................................................................................................................................. 4 4.3. DETAILS OF E.U.T. ......................................................................................................................... 4 4.4. TEST FACILITY ................................................................................................................................ 5 4.5. SUBCONTRACTED ........................................................................................................................... 5 4.6. 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.: WTD26D08235754W004 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 WTD26D08235754W004 2026-08-13 2026-08-19 to 2026-09-01 2026-09-11 Original - Valid Reference No.: WTD26D08235754W004 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: Tattoo Stencil Printer/Portable Thermal Printer Model(s): Refer to section 4.2 Model Description: Only the models name, appearance color and screen printing of the shell are different. Model T12B was tested in this report. Test Sample No.: 1-1/1 Bluetooth Version: V5.1 Hardware Version: F11_JL_BU_V1.0_251205 Software Version: V************(*=0-9, A-Z, ‘-’‘.’) 4.2. Models List Models: T12B, T12A, T12D, T12C, T12, T12E, T12F, T12G, T12H, T12L, T12K, T12M, T12N, T12S, T12W, T12Y, F11, F11A, F11B, F11C, F11D, F11E, F11F, F11G, F11L, F11K, F11M, F11N, F11S, F11W, F11X, F11Y, F11Z, F13, F13A, F13B, F13C, F13D, F13E, F13F, F13G, F13M, F13N, F13S, F13W, F14, F14A, F14B, F14C, F14D, F14E, F14F, F14G, F14M, F14N, F14S, F15, F15A, F15B, F15C, F15D, F15E, F15F, F15G, F15M, F15N, F15S, F16, F16A, F16B, F16C, F16D, F16E, F16F, F16G, F16M, F16N, F16S, F17, F17A, F17B, F17C, F17D, F17E, F17F, F17G, F17M, F17N, F17S, F18, F18A, F18B, F18C, F18D, F18E, F18F, F18G, F18M, F18N, F18S, F19, F19A, F19B, F19C, F19D, F19E, F19F, F19G, F19M, F19N, F19S, T13, T13A, T13B, T13C, T13D, T13E, T13F, T13G, T13M, T13N, T13S, T14, T14A, T14B, T15, T15A, T15B, T16, T16A, T16B, T16C, T16D, T16E, T16F, T16G, T16M, T16N, T16S, T17, T17A, T18, T18A, T18B, T19, T19A, T19B, T19C, T19D, T19E, T19F, T19G, T19M, T19N, T19S, 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, F****, T****(*=0-9 or A-Z or blank) 4.3. Details of E.U.T. Operation Frequency: Bluetooth: 2402-2480MHz, 79 Channels in total LE: 2402-2480MHz, 40 Channels in total Max. RF output power: Bluetooth: -4.…

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InvertedFAntennaSpecification Summary ITEM ANTSPEC ModelName 2.4GANT Center Frequency HorizontalVertical 2400MHz2400MHz2500MHz2400MHz2400MHz2500MHz -1.26-0.76-0.58-5.25-2.46-1.86 MAX.Gain-0.58dB PolarizationHorizontalandVertical AzimuthBeam Pattern Omni-directional Impedance 50Ohm 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 Pa ge 1 of 46 TEST REPORT Referen ce No. .................... : WTD26D08235754W002 FCC ID ................................ : 2AD6G-T12B 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 ............................... : Tattoo Stencil Printer/Portable Thermal Printer Model(s). ............................ : Refer to section 4.2 Standards........................... : FCC 47CFR Part 15.247 Date of Receipt sample .... : 2026-08-13 Date of Test ....................... : 2026-08-19 to 2026-09-01 Date of Issue ...................... : 2026-09-20 Test Result ......................... : Pass Remarks: The res ults 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 Dev al Qin / Designated Reviewer Reference No.: WTD26D08235754W002 Page 2 of 46 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 Models List .................................................................................................................................... 5 4.3 Details of E.U.T. ............................................................................................................................ 5 4.4 Channel List .................................................................................................................................. 6 4.5 Test Facility ................................................................................................................................... 7 4.6 Subcontracted ............................................................................................................................... 7 4.7 Abnormalities from Standard Conditions ...................................................................................... 7 4.8 Test Mode ..................................................................................................................................... 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 6.4 Test Equipment Calibration ........................................................................................................ 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 ............................................................................................... 1 2 8 RADIATED 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 …

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Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 1 of 12 1. Test Setup photos Model T12B FCC ID: 2AD6G-T12B 1.1 Photograph – Conducted Emission For Conducted Emission Test Site 1# 1.2 Photograph – Radiated Emissions For 9kHz-30MHz Test Site 2# Appendix-T12B-Photos Reference No.: WTD26D08235754WPage 2 of 12 For 30MHz-1000MHz Test Site 2# For Above 1GHz Test Site 1#