2A7U2-M903AT-13TCar Audio Navigation

Rev6/28/2024 GUANGZHOULIUHUANINFORMATIONTECHNOLOGY CO.,LTD. ROOM1201&1301OFBUILDING1,NO.6.YUNPUFOURROAD,HUANGPU DISTRICT,GUANGZHOUCITY,GUANGDONGPROVINCE,CHINA FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:December24,2025 Ref:AttestationStatementsPart2.911(d)(5)(i)Filing FCCID:2A7U2-M903AT-13T GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.certifiesthattheequipmentforwhich authorizationissoughtisnot“covered”equipmentprohibitedfromreceivinganequipment authorizationpursuanttosection2.903oftheFCCrules. Sincerely, ContactPerson:MarkMa E-mail:[email protected]

Rev6/28/2024 GUANGZHOULIUHUANINFORMATIONTECHNOLOGY CO.,LTD. ROOM1201&1301OFBUILDING1,NO.6.YUNPUFOURROAD,HUANGPU DISTRICT,GUANGZHOUCITY,GUANGDONGPROVINCE,CHINA FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA Date:December24,2025 Ref:AttestationStatementsPart2.911(d)(5)(ii)Filing FCCID:2A7U2-M903AT-13T GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.certifiesthat,asofthedateofthefiling oftheapplication,theapplicantisnotidentifiedontheCoveredListasanentityproducing“covered” equipment. Sincerely, ContactPerson:MarkMa E-mail:[email protected]

Agent Authorization Company: GUANGZHOU LIUHUAN INFORMATION TECHNOLOGY CO., LTD Address: ROOM 1201&1301 OF BUILDING 1, NO.6. YUNPU FOUR ROAD, HUANGPU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE, CHINA Product Name: Car Audio Navigation Model Number(s): M903AT-13T1(WZA16) Product Description: Car Audio Navigation We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2025-12-29 Name: Wu Xuewen Title: Manager Company: Shenzhen BALUN Technology Co., Ltd.

GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD. Date:December24,2025 To:FederalCommunicationsCommission, Authorization&EvaluationDivision, 7435OaklandMillsRoad, Columbia,MD21046 ToWhomItMayConcern: GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.theundersigned,hereby authorizesMr.WuXuewenfromShenzhenBALUNTechnologyCo.,Ltd.,toactonthebehalfof theGUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.solelyinmattersrelatingto theapplicationforanFCCequipmentauthorizationforFCCID:2A7U2-M903AT-13Tincluding thesigningofdocumentsinconnectionwiththisApplication.Necessaryactscarriedoutby ShenzhenBALUNTechnologyCo.,Ltd.inconnectionwiththeApplicationshallhavethesame effectasactsoftheGUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD. GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.alsoherebycertifythatnoparty tothisapplicationissubjecttoadenialofbenefits,includingFCCbenefits,pursuanttoSection 5301oftheAnti-DrugAbuseActof1988,21U.S.C.Section862. YoursSincerely, Printname:MarkMa Title:DesignQualityManager GUANGZHOULIUHUANINFORMATIONTECHNOLOGYCO.,LTD.

Report No.: BL-SZ25A0087-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: GUANGZHOU LIUHUAN INFORMATION TECHNOLOGY CO., LTD. Address: ROOM 1201&1301 OF BUILDING 1, NO.6. YUNPU FOUR ROAD, HUANGPU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE, CHINA Equipment Type: Car Audio Navigation Model Name: M903AT-13T1(WZA16) (refer to section 2.3) Brand Name: MISSON FCC ID: 2A7U2-M903AT-13T Test Standard: 47 CFR Part 2.1091 KDB 447498 D04 v01 Sample Arrival Date: Sep. 25, 2025 Test Date: Dec. 12, 2025 Date of Issue: Dec. 24, 2025 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Xiong Lining Checked by: Xu Rui Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25A0087-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Content Rev. 01 Dec. 24, 2025 Initial Issue TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 3 1.1 Test Laboratory ............................................................................................................ 3 1.2 Test Location ................................................................................................................ 3 2 PRODUCT INFORMATION ....................................................................................................... 4 2.1 Applicant Information .................................................................................................... 4 2.2 Manufacturer Information .............................................................................................. 4 2.3 General Description for Equipment under Test (EUT) ................................................... 4 2.4 Technical Information ................................................................................................... 5 3 SUMMARY OF TEST RESULT ................................................................................................. 6 3.1 Test Standards ............................................................................................................. 6 3.2 Limit Standards ............................................................................................................. 6 4 DEVICE CATEGORY AND LEVELS LIMITS ............................................................................. 7 5 ASSESSMENT RESULT ........................................................................................................... 9 5.1 Output Power ............................................................................................................... 9 5.2 Tune-up power ............................................................................................................. 9 5.3 RF Exposure Evaluation Result .................................................................................... 9 5.4 Conclusion .................................................................................................................... 9 Report No.: BL-SZ25A0087-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1 GENERAL INFORMATION 1.1 Test Laboratory Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Test Location Name Shenzhen BALUN Technology Co., Ltd. Location Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 1/F, Building B, Ganghongji High-tech Intelligent Industrial Park, No. 1008, Songbai Road, Yangguang Community, Xili Sub-district, Nanshan District, Shenzhen, Guangdong Province, P. R. China Accreditation Certificate The laboratory is a testing organization accredited by FCC as a accredited testing laboratory. The designation number is CN1196. Report No.: BL-SZ25A0087-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant GUANGZHOU LIUHUAN INFORMATION TECHNOLOGY CO., LTD. Address ROOM 1201&1301 OF BUILDING 1, NO.6. YUNPU FOUR ROAD, HUANGPU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE, CHINA 2.2 Manufacturer Information Manufacturer GUANGZHOU LIUHUAN INFORMATION TECHNOLOGY CO., LTD. Address ROOM 1201&1301 OF BUILDING 1, NO.6. YUNPU FOUR ROAD, HUANGPU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE, CHINA 2.3 General Description for Equipment under Test (EUT) EUT Name Car Audio Navigation Model Name Under Test M903AT-13T1(WZA16) Series Model Name M903AT-13TX(WZA16),X=1~9/M903AT-11T2(WZA38)/M903AT- 10T2(WZA83) Description of Model name differentiation All models are same with electrical parameters and internal circuit structure, but only differ in Appearance and display screen size specifications. (this information provided by the applicant) Hardware Version V1.0.5 Software Version V1.0.0.5.2 Dimensions (Approx.) N/A Weight (Approx.) N/A Report No.: BL-SZ25A0087-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 5 / 10 Web: www.titcgroup.com Template No.: TRP-FCC-Mobile (2023-10-07) Add: …

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Report No.: BL-SZ25A0087-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 65 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China TEST REPORT Applicant: GUANGZHOU LIUHUAN INFORMATION TECHNOLOGY CO., LTD. Address: ROOM 1201&1301 OF BUILDING 1, NO.6. YUNPU FOUR ROAD, HUANGPU DISTRICT, GUANGZHOU CITY, GUANGDONG PROVINCE, CHINA Equipment Type: Car Audio Navigation Model Name: M903AT-13T1(WZA16) (refer to section 2.3) Brand Name: MISSON FCC ID: 2A7U2-M903AT-13T Test Standard: 47 CFR Part 15 Subpart C (refer to section 3.1) Sample Arrival Date: Sep. 25, 2025 Test Date: Dec. 04, 2025 - Jan. 19, 2026 Date of Issue: Jan. 20, 2026 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: He Yuyang Checked by: Ye Hongji Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ25A0087-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 65 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Revision History Version Issue Date Revisions Rev. 01 Dec. 24, 2025 Initial Issue Rev. 02 Jan. 20, 2026 Update the 6dB Bandwidth data TABLE OF CONTENTS 1 GENERAL INFORMATION ........................................................................................................ 4 1.1 Test Laboratory ............................................................................................................ 4 1.2 Test Location ................................................................................................................ 4 2 PRODUCT INFORMATION ....................................................................................................... 5 2.1 Applicant Information .................................................................................................... 5 2.2 Manufacturer Information .............................................................................................. 5 2.3 General Description for Equipment under Test (EUT) ................................................... 5 2.4 Technical Information ................................................................................................... 6 2.5 Channel List ................................................................................................................. 7 3 SUMMARY OF TEST RESULTS ............................................................................................... 8 3.1 Test Standards ............................................................................................................. 8 3.2 Test Verdict .................................................................................................................. 8 4 GENERAL TEST CONFIGURATIONS ...................................................................................... 9 4.1 Test Environments ........................................................................................................ 9 4.2 Test Equipment List ...................................................................................................... 9 4.3 Test Software List ......................................................................................................... 9 4.4 Measurement Uncertainty ........................................................................................... 10 4.5 Description of Test Setup ........................................................................................... 10 4.6 Measurement Results Explanation Example ............................................................... 13 5 TEST ITEMS ........................................................................................................................... 14 5.1 Antenna Requirements ............................................................................................... 14 5.2 Output Power ............................................................................................................. 15 5.3 Occupied Bandwidth ................................................................................................... 17 5.4 Conducted Spurious Emission .................................................................................... 18 Report No.: BL-SZ25A0087-602 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 65 Web: www.titcgroup.com Template No.: TRP-FCC Part 15.247 (2022-01-12) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 5.5 Band Edge (Authorized-band band-edge) ................................................................... 20 5.6 Conducted Emission ................................................................................................... 22 5.7 Radiated Spurious Emission ....................................................................................... 23 5.8 Band Edge (Restricted-band band-edge) .................................................................... 28 5.9 Power Spectral density (PSD) .................................................................................... 29 ANNEX A TEST RESULT ........................................................................................................... 30 A.1 Output Power ............................................................................................................. 30 A.2 Occupied Bandwidth ................................................................................................... 32 A.3 Conducted Spurious Emissions .................................................................................. 35 A.4 Band Edge (Authorized-band band-edge) ................................................................... 40 A.5 Conducted Emissions ................…

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Supplier：Guangzhou Liuhuan Information Technology Co., Ltd. Model：2.4G BT ANT Efficiency&Gain Frequency/MhzEfficiency/dBEfficiency/%MaxGain/dBiAvgGain/dBi 2400-5.528.182.8-5.5 2410-5.627.542.49-5.6 2420-6.0824.661.85-6.08 2430-6.0624.771.59-6.06 2440-6.3623.121.09-6.36 2450-5.7726.491.53-5.77 2460-6.124.551.03-6.1 2470-5.8126.241.01-5.81 2480-5.8426.060.77-5.84 2490-5.6327.351.41-5.63 2500-5.7826.421.47-5.78 3D radiation pattein diagram Frequency/MHzEfficiency/%Gain/dB 515036.670.59 522033.551.2 529038.640.12 536038.910.63 543043.421.08 550043.731.07 557040.411.06 564038.771.01 571037.611.46 578040.692.27 585037.542.58 Efficiency&Gain Supplier：Guangzhou Liuhuan Information Technology Co., Ltd. Model：5G WLAN ANT 3D radiation pattein diagram