2A4DH-8512Digital Media Receiver

Amazon.com Services LLC 410 Terry Avenue N, Seattle, Washington 98109, United States Tel: (650) 426-1100 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Amazon.com Services LLC, Grantee Code: 2A4DH) Attestation Statement FRN: 0026561829 Reference: a) FCC CFR section 2.911(d)(5)(i) b) FCC Section 2.911(d)(5)(ii) c) FCC Section 2.911(d)(7) a) Amazon.com Services LLC certifies that the equipment FCC ID: 2A4DH-8512 for which authorization is sought is not “Covered “equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of CFR title 47; b) Amazon.com Services LLC (“the applicant”) certifies that, the device does not have cybersecurity and / or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, identified on the Covered List installed on the device, nor will it be installed by the applicant anytime after certification. c) Amazon.com Services LLC (“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 and is not an affiliate or subsidiary of an entity identified on the Covered List. d) Amazon.com Services LLC hereby designates itself for the purpose of accepting service of process. Amazon.com Services LLC acknowledges its consent and obligation to accept service of process in the United States for matters related to the applicable equipment at the physical U.S. address and email address indicated below, and accepts the obligation to maintain an 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. The applicant further acknowledges their responsibility to inform the FCC whenever the following agent information changes. CC STC 00392648 2026 TR Docusign Envelope ID: 0EFF8AEF-587D-887A-8269-DCAD03F2B5EA Amazon.com Services LLC 410 Terry Avenue N, Seattle, Washington 98109, United States Tunji Yusuf, (650) 426-1100, [email protected] Applicant’s Authorized Signature Tunji Yusuf Date: August 12, 2026 CC STC 00392648 2026 TR Docusign Envelope ID: 0EFF8AEF-587D-887A-8269-DCAD03F2B5EA

CC STC 00160708 2026 TR Date: April 20, 2026 To the Certification Body, Amazon.com Services LLC hereby authorizes Sporton International Inc., located at No.52, Huaya 1st Rd., Guishan Dist., Taoyuan City, Taiwan, R.O.C., to provide and prepare all documentation relating to our product certification, including the signing of application forms for Model Name FS738N (“Product”), FCC ID 2A4DH-8512 directly to the Certification Body on our behalf. Sporton International Inc. is also authorized under this letter to respond on our behalf directly to the Certification Body’s questions about the Product and reports as necessary to assist the Certification Body in the FCC certification. We further certify that neither the applicant nor any party to this application, as defined in 47 CFR Ch. 1.2002(b), is subject to a denial to federal benefits, that include FCC benefits, pursuant to section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from Amazon.com Services LLC. Sincerely, Amazon.com Services LLC By: Tunji Yusuf Title: Authorized Signatory Address: 410 Terry Avenue North, Seattle, WA 98109-5210 Email: [email protected] Docusign Envelope ID: 577557E1-8BA2-87A3-8274-1AF6986358E6

Amazon.com Services LLC 410 Terry Avenue North, Seattle, Washington 98109, United States Tel: (650) 694-8333 Date: April 20, 2026 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd Columbia MD 21046-1609 Subject: Request for Confidentiality FCC ID: 2A4DH-8512 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission’s rules (47CFR§§0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure indefinitely.  Schematic Diagram  Block Diagram  Part List  Operational Description  Tune up procedure Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In additional to above mentioned documents, pursuant to Public Notice DA 04-1705 of the Commission’ s policy, in order to comply with the marketing regulations in 47 CFT §2.803 and the importation rules in 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices. We are requesting the commission to grant short- term confidentiality request on the following attachment(s) for 180 days after the grant as outlined in Public Notice DA 04-1705.  External Photos  Internal Photos  Test Setup Photos  User Manual It is our understanding that all measurement test reports, FCC ID label format and correspondence during certification review process cannot be granted as confidential documents and that information will be available for public review once the grant of equipment authorization is issued. CC STC 00161260 2026 TR Docusign Envelope ID: 2CD277C4-0683-8F96-8091-D99FEADE61B3 Best Regards, ____________________________ Tunji Yusuf [email protected] CC STC 00161260 2026 TR Docusign Envelope ID: 2CD277C4-0683-8F96-8091-D99FEADE61B3

Label and Label Location Bottom of the EUT The FCC ID and IC are placed on the back of the device. Product label is laser-etched on the back of the device housing. It is user-accessible and non-detachable. Model:FS738N; FCC ID: 2A4DH-8512; IC ID: 24273-8512

Sporton International Inc. (Shenzhen) Page Number : 1 of 10 TEL : +86-755-86379589 / FAX : +86-755-86379595 Report Issued Date : Jun. 25, 2026 FCC ID : 2A4DH-8512 Report Version : Rev. 02 RF Exposure Evaluation Report Report No. : FA5O3104-01 RF Exposure Evaluation Report APPLICANT : Amazon.com Services LLC EQUIPMENT : Digital Media Receiver MODEL NAME : FS738N FCC ID : 2A4DH-8512 STANDARD : 47 CFR Part 2.1091 FCC KDB 447498 D01 V06 The product evaluation date was started from Apr. 01, 2026 and completed on Apr. 01, 2026. We, Sporton International Inc. (Shenzhen), would like to declare that the device has been evaluated in accordance with 47 CFR Part 2.1091 and FCC KDB 447498 D01 v06, and pass the limit. Without written approval of Sporton International Inc. (Shenzhen), the test report shall not be reproduced except in full. Approved by: Hank Huang Sporton International Inc. (Shenzhen) 1/F, 2/F, Bldg 5, Shiling Industrial Zone, Xinwei Village, Xili, Nanshan, Shenzhen, 518055 People’s Republic of China Sporton International Inc. (Shenzhen) Page Number : 2 of 10 TEL : +86-755-86379589 / FAX : +86-755-86379595 Report Issued Date : Jun. 25, 2026 FCC ID : 2A4DH-8512 Report Version : Rev. 02 RF Exposure Evaluation Report Report No. : FA5O3104-01 Table of Contents 1. ADMINISTRATION DATA ........................................................................................................................... 4 1.1. Testing Laboratory ............................................................................................................................. 4 2. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ............................................................................. 5 3. MAXIMUM RF AVERAGE OUTPUT TUNE UP POWER AMONG PRODUCTION UNITS ....................... 6 4. RF EXPOSURE LIMIT INTRODUCTION .................................................................................................... 8 5. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ............................................................... 9 5.1. Standalone Power Density Calculation ............................................................................................. 9 5.2. Collocated Power Density Calculation ............................................................................................... 9 Sporton International Inc. (Shenzhen) Page Number : 3 of 10 TEL : +86-755-86379589 / FAX : +86-755-86379595 Report Issued Date : Jun. 25, 2026 FCC ID : 2A4DH-8512 Report Version : Rev. 02 RF Exposure Evaluation Report Report No. : FA5O3104-01 Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA5O3104-01 Rev. 01 Initial issue of report. Apr. 03, 2026 FA5O3104-01 Rev. 02 Updated the relevant data for Low Power Wideband Radio in Wi-Fi 5GHz This report is an updated version, replacing the report issued on Apr. 03, 2026. Jun. 25, 2026 Sporton International Inc. (Shenzhen) Page Number : 4 of 10 TEL : +86-755-86379589 / FAX : +86-755-86379595 Report Issued Date : Jun. 25, 2026 FCC ID : 2A4DH-8512 Report Version : Rev. 02 RF Exposure Evaluation Report Report No. : FA5O3104-01 1. Administration Data 1.1. Testing Laboratory Sporton International Inc. (Shenzhen) is accredited to ISO/IEC 17025:2017 by American Association for Laboratory Accreditation with Certificate Number 5145.01. Testing Laboratory Test Firm Sporton International Inc. (Shenzhen) Test Site Location 1/F, 2/F, Bldg 5, Shiling Industrial Zone, Xinwei Village, Xili, Nanshan, Shenzhen, 518055 People’s Republic of China TEL: +86-755-86379589 FAX: +86-755-86379595 Test Site No. Sporton Site No. FCC Designation No. FCC Test Firm Registration No. SAR01-SZ CN1256 421272 Applicant Company Name Amazon.com Services LLC Address 410 Terry Avenue N Seattle, WA 98109-5210 United States Sporton International Inc. (Shenzhen) Page Number : 5 of 10 TEL : +86-755-86379589 / FAX : +86-755-86379595 Report Issued Date : Jun. 25, 2026 FCC ID : 2A4DH-8512 Report Version : Rev. 02 RF Exposure Evaluation Report Report No. : FA5O3104-01 2. Description of Equipment Under Test (EUT) Product Feature & Specification EUT Type Digital Media Receiver Model Name FS738N FCC ID 2A4DH-8512 Wireless Technology and Frequency Range WLAN 2.4GHz Band: 2412 MHz ~ 2472 MHz WLAN 5.2GHz Band: 5180 MHz ~ 5240 MHz WLAN 5.3GHz Band: 5260 MHz ~ 5320 MHz WLAN 5.5GHz Band: 5500 MHz ~ 5720 MHz WLAN 5.8GHz Band: 5745 MHz ~ 5825 MHz WLAN 6GHz U-NII-5: 5925 MHz ~ 6425 MHz WLAN 6GHz U-NII-6: 6425 MHz ~ 6525 MHz WLAN 6GHz U-NII-7: 6525 MHz ~ 6875 MHz WLAN 6GHz U-NII-8: 6875 MHz ~ 7125 MHz Low Power Wideband Radio in Wi-Fi 5GHz: 5725 MHz ~ 5875 MHz Bluetooth: 2402 MHz ~ 2480 MHz ZigBee: 2405 MHz ~ 2480 MHz Mode WLAN 2.4GHz 802.11b/g/n/ax HT20/HE20 WLAN 5GHz 802.11a/n HT20/HT40 WLAN 5GHz 802.11ac VHT20/VHT40/VHT80/VHT160 WLAN 5GHz 802.11ax HE20/ HE40/HE80/HE160 WLAN 6GHz 802.11a/ax HE20/HE40/HE80/HE160 Bluetooth BR/EDR/LE Low Power Wideband Radio in Wi-Fi 5GHz: FMCW ZigBee: O-QPSK Antenna Gain Bluetooth: 3.00 dBi ZigBee: 3.00 dBi WLAN2.4GHz: 4.00 dBi WLAN5.2GHz: 3.50 dBi WLAN5.3GHz: 3.50 dBi WLAN5.5GHz: 3.50 dBi WLAN5.8GHz: 3.50 dBi WLAN 6GHz U-NII-5: 3.00 dBi WLAN 6GHz U-NII-6: 3.00 dBi WLAN 6GHz U-NII-7: 3.00 dBi WLAN 6GHz U-NII-8: 3.00 dBi Low Power Wideband Radio in Wi-Fi 5GHz: 3.50 dBi Antenna Type WLAN : FPC Antenna Bluetooth/Zigbee : PCB PIFA Antenna Low Power Wideband Radio in Wi-Fi 5GHz: PCB loop & PCB dipole Antenna Remark: 1. The above EUT's information was declared by manufacturer. Please refer to the specifications or user's manual for more detailed description. Comments and Explanations: 1. The declared of product specification for EUT presented in the report are provided by the manufacturer, and the manufacturer takes all the responsibilities for the accuracy of product specification. 2. The maximum RF output tune up power, antenna gain also the safe distance used for evaluate RF exposure were declared by manufacturer. Sporton International Inc. (Shenzhen) Page Number : 6 of 10 TEL : +86-…

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Test Report for Antenna Specifications for FS738N Table of Contents Test Report for Antenna Specifications for FS738N ................................................................. 1 Frequency range and operation ............................................................................................. 2 Antenna type ........................................................................................................................ 2 Antenna Gain ........................................................................................................................ 2 Measurement Test method.................................................................................................... 3 Test Equipment used: ............................................................................................................ 3 Test set up............................................................................................................................. 4 2D RADIATION PATTERN........................................................................................................ 6 WiFi Antenna ................................................................................................................................5 BT / Zigbee Antenna ......................................................................................................................8 Radar Tx DIV. Antenna.................................................................................................................11 Radar Antenna ............................................................................................................................14 Frequency range and operation Bluetooth / Zigbee Antenna: 2.402 to 2.484 GHz WiFi / Radar Tx Antenna: 2.412 to 2.472 GHz / 5.18 to 7.115 GHz Radar Div. Tx Antenna: 5.725GHz / 5.8GHz /5.875GHz Radar Rx Antenna: 5.725GHz / 5.8GHz /5.875GHz Antenna type Bluetooth / Zigbee Antenna: PCB PIFA type WiFi / Radar Tx Antenna: FPC + Cable type Radar Tx Div. Antenna: PCB Loop + Cable type Radar Rx Antenna: PCB dipole type Antenna Gain Band Peak Gain (dBi) WiFi ANT Bluetooth / Zigbee ANT 2.4GHz (2400-2480MHz) 4 3 5GHz Band I (5150-5250MHz) 3.5 5GHz Band II-A (5250-5350MHz) 3.5 5GHz Band II-C (5470-5725MHz) 3.5 5GHz Band III (5725-5850MHz) 3.5 UNII 5 (5955-6415MHz) 3 UNII 6 (6435-6515MHz) 3 UNII 7 (6535-6875MHz) 3 UNII 8 (6875-7115MHz) 3 Measurement Test method Solder pigtails on feeding point of antennas and measure passive antenna performance by VNA and OTA chamber system. And the measurement was done in devices level. Test Equipment used: 1. VNA: R&S ZVB8 2. OTA chamber: ETS 8500 Antenna Measurement System ETS Lab Name Manufacturer Type/Model Type/Model Serial Number Calibration Last Cal. Due Date Network Analyzer R&S ZVB8 ZVB8 100106 2025/10/14 2026/10/13 Switch Control Keysight 3499 EMCenter 00116609 NCR NCR Diagonal Dual Polarized Horn ETS-Lindgren 3164-10 3164-08 00138285 NCR NCR Multi-Devices Controller ETS-Lindgren 2090 2090-OPT1 00155901 NCR NCR Medium Duty Holder ETS-Lindgren 115520/115321 2015 N/A NCR NCR Band Peak Gain (dBi) Peak Gain (dBi) Radar Tx ANT Radar Tx Div. ANT Radar Rx ANT 5725~5875MHz 3.5 3.5 3.5 Test Engineer Test period Begin End 2026/1/14 2026/1/16 RF Engineer Testing site Test period Begin End Speed(Suzhou) Communication Technology Co,. Ltd. No.99,Weixin Road SIP Suzhou JiangSu Province China 2026/1/14 2026/1/16 Test set up Refer to Below FII CHAMBER AXIS Device Image and Antenna locations – Refer to document – 2A4DH-8512_Antenna Report_Photos 2D RADIATION PATTERN WiFi Antenna XY plane Cut1 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 5150 MHz 5540 MHz Cut1 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 5825 MHz 5930 MHz Cut1 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 6575 MHz 7115 MHz XZ plane Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 5150 MHz 5540 MHz Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 5825 MHz 5930 MHz Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -18 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 6575 MHz 7115 MHz YZ plane Cut3 Gain (d Bi) Angl e (? Scal e: 5/di v Mi n: -20 Max : 5 0 180 30 210 60 240 90 270 120 300 150 330 5150 MHz 5540 MHz Cut3 Gain (d Bi) Angl e (? Scal e: 5/di v Mi n: -20 Max : 5 0 180 30 210 60 240 90 270 120 300 150 330 5825 MHz 5930 MHz Cut3 Gain (d Bi) Angl e (? Scal e: 5/di v Mi n: -20 Max : 5 0 180 30 210 60 240 90 270 120 300 150 330 6575 MHz 7115 MHz BT / Zigbee Antenna XY plane Cut1 Gain (d Bi) Angl e (? Scal e: 1/di v Mi n: -9 Max : 1 0 180 30 210 60 240 90 270 120 300 150 330 2400 MHz Cut1 Gain (d Bi) Angl e (? Scal e: 1/di v Mi n: -9 Max : 1 0 180 30 210 60 240 90 270 120 300 150 330 2440 MHz Cut1 Gain (d Bi) Angl e (? Scal e: 1/di v Mi n: -9 Max : 1 0 180 30 210 60 240 90270 120 300 150 330 2480 MHz XZ plane Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 0 0 180 30 210 60 240 90 270 120 300 150 330 2400 MHz Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 0 0 180 30 210 60 240 90 270 120 300 150 330 2440 MHz Cut2 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 0 0 180 30 210 60 240 90 270 120 300 150 330 2480 MHz YZ plan Cut3 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 2400 MHz Cut3 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 2440 MHz Cut3 Gain (d Bi) Angl e (? Scal e: 2/di v Mi n: -14 Max : 2 0 180 30 210 60 240 90 270 120 300 150 330 2480 MHz Radar Tx DIV. Antenna XY plane Cut1 Gain (d Bi) Angl e (? Scal e: 5/di v Mi n: -20 Max : 5 0 180 30 210 60 240 90 270 120 300 150 330 5720 MHz Cut1 Gain (d Bi) Angl e (? Scal e: 5/di v Mi n: -20 Max : 5 0 180 30 210 60 240 90 270 120 300 15…

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Sporton International Inc. (ShenZhen) Page Number : 1 of 20 TEL : +86-755-8637-9589 Report Issued Date : Jul. 01, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 04 FCC RF Test Report Report No. : FR5O3104-01F FCC RF Test Report APPLICANT : Amazon.com Services LLC EQUIPMENT : Digital Media Receiver MODEL NAME : FS738N FCC ID : 2A4DH-8512 STANDARD : FCC Part 15 Subpart C §15.249 CLASSIFICATION : (DXX) Low Power Communication Device Transmitter TEST DATE(S) : Feb. 13, 2026 ~ Mar. 13, 2026 We, Sporton International Inc. (Shenzhen), would like to declare that the tested sample has been evaluated in accordance with the test procedures and has been in compliance with the applicable technical standards. The test results in this report apply exclusively to the tested model / sample. Without written approval of Sporton International Inc. (Shenzhen), the test report shall not be reproduced except in full. Approved by: Fly Liang Sporton International Inc. (ShenZhen) 1/F, 2/F, Bldg 5, Shiling Industrial Zone, Xinwei Village, Xili, Nanshan, Shenzhen, 518055 People’s Republic of China Sporton International Inc. (ShenZhen) Page Number : 2 of 20 TEL : +86-755-8637-9589 Report Issued Date : Jul. 01, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 04 FCC RF Test Report Report No. : FR5O3104-01F TABLE OF CONTENTS SUMMARY OF TEST RESULT ......................................................................................................................... 4 1 GENERAL DESCRIPTION .......................................................................................................................... 5 1.1 Applicant ............................................................................................................................................ 5 1.2 Product Feature of Equipment Under Test ........................................................................................ 5 1.3 Product Specification of Equipment Under Test ................................................................................ 5 1.4 Modification of EUT ........................................................................................................................... 5 1.5 Testing Location ................................................................................................................................ 6 1.6 Test Software ..................................................................................................................................... 6 1.7 Applicable Standards ......................................................................................................................... 6 2 TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 7 2.1 Descriptions of Test Mode ................................................................................................................. 7 2.2 Carrier Frequency and Channel ........................................................................................................ 7 2.3 Test Mode .......................................................................................................................................... 7 2.4 Test Configurations............................................................................................................................ 8 2.5 Support Unit used in test configuration and system .......................................................................... 8 2.6 EUT Operation Test Setup ................................................................................................................ 8 2.7 Measurement Results Explanation Example ..................................................................................... 8 3 TEST RESULT ............................................................................................................................................ 9 3.1 AC Power Line Conducted Emissions Measurement ........................................................................ 9 3.2 20dB and & 99% Occupied Bandwidth............................................................................................ 13 3.3 Field Strength of Fundamental Emissions and Radiated Spurious Emissions ............................... 14 3.4 Antenna Requirements .................................................................................................................... 18 4 LIST OF MEASURING EQUIPMENT ........................................................................................................ 19 5 UNCERTAINTY OF EVALUATION ........................................................................................................... 20 Appendix A. Conducted test results Appendix B. Radiated Spurious Emission Appendix C. Duty Cycle Plots Sporton International Inc. (ShenZhen) Page Number : 3 of 20 TEL : +86-755-8637-9589 Report Issued Date : Jul. 01, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 04 FCC RF Test Report Report No. : FR5O3104-01F REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FR5O3104-01F Rev. 01 Initial issue of report Mar. 18, 2026 FR5O3104-01F Rev. 02 Added test plots for RSE above 18GHz in Appendix B This report is an updated version, replacing the report issued on Mar. 18, 2026. Jun. 10, 2026 FR5O3104-01F Rev. 03 Revised RSE test data for Mode 3/4 This report is an updated version, replacing the report issued on Jun. 10, 2026. Jun. 24, 2026 FR5O3104-01F Rev. 04 Updated RSE test data for Mode 1 This report is an updated version, replacing the report issued on Jun. 24, 2026. Jul. 01, 2026 Sporton International Inc. (ShenZhen) Page Number : 4 of 20 TEL : +86-755-8637-9589 Report Issued Date : Jul. 01, 2026 FAX : +86-755-8637-9595 Report Version : Rev. 04 FCC RF Test Report Report No. : FR5O3104-01F SUMMARY OF TEST RESULT Part FCC Rule Description of Test Result Remark 3.1 15.207 AC Power Line Conducted Emissions Complies Under limit 22.24 dB at 2.680 MHz 3.2 2.1049 2…

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