2AOWF-ARCADECX8BitDo Arcade Controller for Xbox

UNITED STATES DESIGNATED AGENT LETTER Date: November 24, 2025 TO: Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 ApplicantU.S.designatedagent Company Name: SHENZHEN 8BITDO TECH CO., LTD. Company Name: Picus Advisors US LLC Contact Name:Wei ChaoContact Name:Ivan Wan g Address:Room 210, Building 1, Nanhai Ecool, No.6 Xinghua Road, Shekou, Nanshan District, Shenzhen, China Address:5855 SOVEREIGN DRSTE B-1, HOUSTON, TX 77036, United States Cit y/Province/Zip: Shenzhen, ChinaCity/Province/Zip: HOUSTON, TX 77036 Telephone:86-13622260320Telephone:+1 (713)391-4488 Email:Wei ChaoEmail:[email protected] FRN:0027171842FRN:0034336891 Applicable Equipment: FCC ID: 2AOWF-ARCADECX ATTN: Director of Certification: We, < SHENZHEN 8BITDO TECH CO., LTD. > and <Picus Advisors US LLC> understand and acknowledge the applicants consent and the designated agent’s obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and e- mail of the designated agent listed above. We, < SHENZHEN 8BITDO TECH CO., LTD. > and <Picus Advisors US LLC> acknowledge the applicant’s acceptance of its obligation to maintainan agent for 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. Applicant SHENZHEN 8BITDO TECH CO., LTD. U.S.designatedagent PicusAdvisors US LLC Name (Printed): Wei ChaoName (Printed): Ivan Wang Title: ManagerTitle: CEO Signature:Signature:

SHENZHEN 8BITDO TECH CO., LTD. Date: 24 November 2025 To: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Attestation Section 2.911(d)(5)(i) and Section 2.911(d)(5)(ii) (KDB 986446 D01 Covered Equipment) Section 2.911(d)(5)(i) SHENZHEN 8BITDO TECH 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. The software to be loaded prior to marketing of the equipment identified below is not "covered" software manufactured by any entity including predecessors, successors, parents, subsidiaries, or affiliates or anyentity which has rebranded or relabeled the software produced by the entity(ies) identified on the "Covered List" DA 24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). SHENZHEN 8BITDO TECH CO., LTD.(“the applicant”) further certifies that no Cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software is installed in the equipment being certified. Section 2.911(d)(5)(ii) SHENZHEN 8BITDO TECH 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 a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Type of Equipment subject to FCC Certification: FCC ID: 2AOWF-ARCADECX If you have any questions, please feel free to contact me Contact Person:Wei Chao Position in the Company: Manager Date of Signature: November 24, 2025 ___________________________ Signatory (signature of the applicant)

Date: 24 November 2025 SHENZHEN 8BITDO TECH CO., LTD. To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: The SHENZHEN 8BITDO TECH CO., LTD. , the undersigned, hereby authorizes Mr. Wu Xuewen from Shenzhen BALUN Technology Co., Ltd., to act on the behalf of the SHENZHEN 8BITDO TECH CO., LTD. solely in matters relating to theapplication for an FCC equipment authorization for FCC ID: 2AOWF‐ARCADECX including the signing of documents in connection with this Application. Necessary acts carried out by Shenzhen BALUN Technology Co., Ltd. in connection with the Application shall have the same effectasactsoftheSHENZHEN8BITDOTECHCO.,LTD. The SHENZHEN 8BITDO TECH CO., LTD. also hereby certify that no party to this application is subject to a denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti‐Drug Abuse Act of 1988, 21 U.S.C. Section 862. Yours Sincerely, _______ WeiChao

Date:24 November 2025 SHENZHEN 8BITDO TECH CO., LTD. To: Federal Communications Commission, Authorization & Evaluation Division, 7435 Oakland Mills Road, Columbia, MD 21046 Re: SHENZHEN 8BITDO TECH CO., LTD. FCC ID:2AOWF-ARCADECX FCC Certification Confidentiality Request Gentlemen: This letter is to comply with 47 CFR 0.457 and 0.459 pertaining to confidentiality material. SHENZHEN 8BITDO TECH CO., LTD. requests that the following documents regarding this submissionfor FCC ID: 2AOWF-ARCADECX be kept confidential: Exhibit TypeFile Name Block DiagramBlock Diagram.pdf SchematicsSchematics.pdf Operational Description Operational Description.pdf And below exhibit kept short-term confidential (180 days): External photosExternal photos.pdf Test setup photostest photo.pdf Internal photosInternal photos.pdf User manualUser manual.pdf Those documents contain detailed system and equipment description and related information about the product which SHENZHEN 8BITDO TECH CO., LTD. considers to be confidential proprietary, a custom design and, otherwise, not releasable to the general public. Sincethis design is a basis form which future technological products will evolve, SHENZHEN 8BITDO TECH CO., LTD. considers this information would be of benefit to its competitors, and that the disclosure of the information in these documents would give competitors an unfair advantage in the market. Yours Sincerely, WeiChao

SHENZHEN ONEBITDO TECH CO., LTD. / DESIGNED BY GWOWO / MADE IN CHINA FCC ID: 2AOWF-ARCADECXIC: 29401-ARCADECX 201-240644 MODEL: 81JB / INPUT: DC 5.0V 500mA 8BitDo Arcade Controller for Xbox 60 mm 40 mm

Report No.: BL-SZ2491002-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (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: SHENZHEN 8BITDO TECH CO., LTD. Address: Room 210, Building 1, Nanhai Ecool, NO.6 Xinghua Road, Shekou, Nanshan District Shenzhen 518067 China Equipment Type: 8BitDo Arcade Controller for Xbox Model Name: 81JB Brand Name: 8BITDO FCC ID: 2AOWF-ARCADECX Test Standard: 47 CFR Part 2.1093 KDB 447498 D04 v01 Sample Arrival Date: May 23, 2025 Test Date: Date of Issue: Jul. 27, 2025 Oct. 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-SZ2491002-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (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 Oct. 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 ..................................................................................................... 4 3 SUMMARY OF TEST RESULT ................................................................................................... 5 3.1 Test Standards ............................................................................................................... 5 4 DEVICE CATEGORY AND LEVELS LIMITS .............................................................................. 6 5 ASSESSMENT RESULT ............................................................................................................. 8 5.1 Output Power ................................................................................................................. 8 5.2 Tune-up power ............................................................................................................... 8 5.3 RF Exposure Evaluation Result ..................................................................................... 8 5.4 Conclusion ...................................................................................................................... 8 Report No.: BL-SZ2491002-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (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-SZ2491002-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 4 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (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 SHENZHEN 8BITDO TECH CO., LTD. Address Room 210, Building 1, Nanhai Ecool, NO.6 Xinghua Road, Shekou, Nanshan District Shenzhen 518067 China 2.2 Manufacturer Information Manufacturer SHENZHEN ONEBITDO TECH CO., LTD. Address Room 203, Building 1, Huajian Building, Xinghua Road, Shekou, Shuiwan Community, Zhaoshang Street, Nanshan District, Shenzhen, China 2.3 General Description for Equipment under Test (EUT) EUT Name 8BitDo Arcade Controller for Xbox Model Name Under Test 81JB Series Model Name N/A Description of Model name differentiation N/A Hardware Version N/A Software Version N/A Dimensions (Approx.) N/A Weight (Approx.) N/A 2.4 Technical Information Network and Wireless connectivity 2.4G ISM Band The requirement for the following technical information of the EUT was tested in this report: Operating Mode 2.4G ISM Band Frequency Range 2.4G ISM Band 2402 ~ 2480 MHz Antenna Type 2.4G ISM Band PCB Antenna Exposure Category General Population/Uncontrolled Exposure Product Type Portable Device Report No.: BL-SZ2491002-701 Tel: +86-755-66850100 E-mail: [email protected] Page No. 5 / 9 Web: www.titcgroup.com Template No.: TRP-FCC-Portable-2 (2023-10-07) Add: Block B, 1/F, Baisha Science and Technology Park, Shahe Xi Road, Nans…

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Report No.: BL-SZ2491002-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 1 / 46 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 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: SHENZHEN 8BITDO TECH CO., LTD. Address: Room 210, Building 1, Nanhai Ecool, NO.6 Xinghua Road, Shekou, Nanshan District Shenzhen 518067 China Equipment Type: 8BitDo Arcade Controller for Xbox Model Name: 81JB Brand Name: 8BITDO FCC ID: 2AOWF-ARCADECX ISED Number: 29401-ARCADECX Test Standard: 47 CFR Part 15 Subpart C RSS-Gen Issue 5 RSS-247 Issue 3 (refer to section 3.1) Sample Arrival Date: May 23, 2025 Test Date: May 29, 2025 - Jun. 13, 2025 Date of Issue: Dec. 02, 2025 ISSUED BY: Shenzhen BALUN Technology Co., Ltd. Tested by: Julie Zhu Checked by: Ye Hongji Approved by: Tolan Tu (Testing Director) _______________ _______________ _______________ Report No.: BL-SZ2491002-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 2 / 46 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 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 Oct. 24, 2025 Initial Issue Rev. 02 Dec. 02, 2025 Added the radiated spurious emission test plot and band edge test plot of the worse. 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 3 SUMMARY OF TEST RESULTS ................................................................................................. 7 3.1 Test Standards ............................................................................................................... 7 3.2 Verdict ............................................................................................................................ 7 4 GENERAL TEST CONFIGURATIONS ........................................................................................ 8 4.1 Test Environments ......................................................................................................... 8 4.1 Test Equipment List ........................................................................................................ 8 4.2 Test Software List ........................................................................................................... 8 4.2 Measurement Uncertainty .............................................................................................. 9 4.3 Description of Test Setup ............................................................................................... 9 4.4 Measurement Results Explanation Example ................................................................ 12 5 TEST ITEMS .............................................................................................................................. 13 5.1 Antenna Requirements ................................................................................................. 13 5.2 Number of Hopping Frequency .................................................................................... 14 5.3 Peak Output Power and E.I.R.P ................................................................................... 15 5.4 Occupied Bandwidth .................................................................................................... 16 Report No.: BL-SZ2491002-601 Tel: +86-755-66850100 E-mail: [email protected] Page No. 3 / 46 Web: www.titcgroup.com Template No.: TRP-FCC&ISED 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 Carrier Frequency Separation ...................................................................................... 17 5.6 Time of Occupancy (Dwell time) .................................................................................. 18 5.7 Conducted Spurious Emission & Authorized-band band-edge .................................... 19 5.8 Conducted Emission .................................................................................................... 20 5.9 Radiated Spurious Emission ........................................................................................ 21 5.10 Band Edge (Restricted-band band-edge) ..................................................................... 23 ANNEX A TEST RESULT ............................................................................................................. 24 A.1 Number of Hopping Frequency .................................................................................... 24 A.2 Peak Output Power and E.I.R.P ................................................................................... 25 A.3 Occupied Bandwidth .................................................................................................... 27 A.4 Hopping Frequency Separation ..................................................................…

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Report No.: BL-EC1950331-901 2 / 14 Revision History Version Issue Date Revisions Rev. 01 May 31, 2019 Initial Issue TABLE OF CONTENTS 1 Administrative Data (GENERAL INFORMATION) .................................................................................. 3 1.1 Identification of the Testing Laboratory ............................................................................................ 3 1.2 Identification of the Responsible Testing Location ........................................................................... 3 1.3 Laboratory Condition ....................................................................................................................... 3 1.4 Announce ........................................................................................................................................ 3 2 PRODUCT INFORMATION ................................................................................................................... 4 2.1 Applicant Information ....................................................................................................................... 4 2.2 Manufacturer Information ................................................................................................................ 4 2.3 Factory Information ......................................................................................................................... 4 2.4 General Description for Equipment under Test (EUT) ..................................................................... 4 2.5 Ancillary Equipment ......................................................................................................................... 4 2.6 Technical Information ...................................................................................................................... 4 3 SUMMARY OF TEST RESULTS ........................................................................................................... 5 3.1 Test Standards ................................................................................................................................ 5 3.2 Test Verdict ..................................................................................................................................... 5 3.3 Test Uncertainty .............................................................................................................................. 5 4 GENERAL TEST CONFIGURATIONS .................................................................................................. 6 4.1 Test Condition ................................................................................................................................. 6 4.2 Test Equipment List ......................................................................................................................... 6 4.3 Test Setup ....................................................................................................................................... 6 ANNEX A TEST RESULTS ....................................................................................................................... 7 A.1 Gain and Efficiency ......................................................................................................................... 7 A.2 VSWR and Input Impedance ........................................................................................................... 8 ANNEX B RADIATION PATTERN ............................................................................................................ 9 ANNEX C TEST SETUP PHOTO ............................................................................................................ 12 ANNEX D EUT PHOTO .......................................................................................................................... 14 Report No.: BL-EC1950331-901 3 / 14 1 Administrative Data (GENERAL INFORMATION) 1.1 Identification of the Testing Laboratory Company Name Shenzhen BALUN Technology Co., Ltd. Address Block B, 1st FL, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Phone Number +86 755 6685 0100 1.2 Identification of the Responsible Testing Location Test Location Shenzhen BALUN Technology Co., Ltd. Address Block B, 1st FL, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China Accreditation Certificate The laboratory is a testing organization accredited by China National Accreditation Service for Conformity Assessment (CNAS) according to ISO/IEC 17025. The accreditation certificate number is L6791. The laboratory is a testing organization accredited by China Metrology Accreditation (CMA). The accreditation certificate number is 2017192290Z. Description All measurement facilities used to collect the measurement data are located at Block B, FL 1, Baisha Science and Technology Park, Shahe Xi Road, Nanshan District, Shenzhen, Guangdong Province, P. R. China 518055 1.3 Laboratory Condition Ambient Temperature 19°C to 25°C Ambient Relative Humidity 45% to 55% Ambient Pressure 100 kPa to 102 kPa 1.4 Announce (1) The test report reference to the report template version v2.2. (2) The test report is invalid if not marked with the signatures of the persons responsible for preparing and approving the test report. (3) The test report is invalid if there is any evidence and/or falsification. (4) The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein. (5) This document may not be altered or revised in any way unless done so by BALUN and all revisions are duly noted in the revisions section. (6) Content of the test report, in part or in full, cannot be used for publicity and/or promotional purposes without prior written approval from the laboratory. Report No.: BL-EC1950331-901 4 / 14 2 PRODUCT INFORMATION 2.1 Applicant Information Applicant Sh…

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