2AOKB-T87B3SmartTrack Card E40

Anker Innovations Limited Add:Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Tel: +86-755-86544807 E-mail: [email protected] Attestation Letter Date:2025-12-31 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: Our product SmartTrack Card E40, model: T87B3,FCC ID:2AOKB-T87B3, for marketing purpose, this product only supports BLE 1M&2M.The other functions, bands and modes was disabled to use by manufacturer in the software, the end user has no capability to activate it. Sincerely, Printed Name: Justin Zhou Title: Testing and Compliance Director

Anker Innovations Limited Add:Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Tel: +86-755-86544807 E-mail: [email protected] CFR 47 §2.911(d)(5)(i)(ii) Attestation Letter Attestation Letter Date: 2025-12-31 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i)(ii) Filing FCC ID:2AOKB-T87B3 Anker Innovations Limited (“the ap plicant”) 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. Anker Innovations Limited (“th e 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. Anker Innovations Limited certifies that the equipment does not use Kaspersky's softwareinformation. Sincerely, Signature Printed Name: Justin Zhou Title: Testing and Compliance Director

CFR 47 §2.911(d)(7) U.S Agent U.S. AGENT LETTER OF ATTESTATION Date: 2025-12-31 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(7) Filing FCC ID:2AOKB-T87B3 Anker Innovations Limited(“the Applicant”) certifies that, as of the date of the filing of the application, Fantasia Trading LLC (U.S. agent). is our designated U.S. agent for service of process for the above referenced FCC ID. Anker Innovations Limited (“the Applicant”) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Fantasia Trading LLC (U.S. agent) accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Company Name: Fantasia Trading LLC Address: 5350 Ontario Mills Pkwy, STE 100, Ontario, CA 91764 United States FRN: 0033423005 Tel.: (800)988-7973 Email: [email protected] Signed by (printed name): Connor Zhai Signature: Applicant: Anker Innovations Limited Add: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong FRN: 0027073105 Tel: +86-755-86544807 Email: [email protected] Signed by (printed name): Justin Zhou Signature:

QA-FR-170-B Anker Innovations Limited Add:Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Tel: +86-755-86544807 E-mail: [email protected] FCC Authorization Date: 2025-12-31 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Anker Innovations Limited, Hereby authorizes Shenzhen Accurate Technology Co., Ltd. to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by Shenzhen Accurate Technology Co., Ltd. on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes 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 the applicant. Sincerely Yours, Client’s signature Printed Name: Justin Zhou Title: Testing and Compliance Director

QA-FR-172-A Anker Innovations Limited Add:Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Tel: +86-755-86544807 E-mail: [email protected] FCC Confidential Authorization Date: 2025-12-31 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID:2AOKB-T87B3 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Anker Innovations Limited hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description As well as short-term (secrecy cycle: 180 days) confidential treatment of information accompanying this application as outlined below:  Internal Photos  User’s Manual  External Photos  Test Set-up Photos The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature Printed Name: Justin Zhou Title: Testing and Compliance Director

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA, or any agency of the Federal Government. The information marked “#” is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included but no need marked. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. Shenzhen Accurate Technology Co., Ltd. Floor 1, KuMaKe Building, Dongzhou Community, Guangming Street, Guangming District, Shenzhen, Guangdong, China. Tel: +86 755-26503290 Web: www.atc-lab.com Rev:A/4.0(2024/11/01) Page 1 of 6 TR-4-E-R063 TEST REPORT Applicant Name : Anker Innovations Limited Address : Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Report Number : 2504A37431E-RF-00B FCC ID: 2AOKB-T87B3 Test Standard (s) FCC PART 2.1093 Sample Description Product Type: SmartTrack Card E40 Model No.: T87B3 Trade Mark: eufy Date Received: 2025-12-25 Report Date: 2025-12-30 Test Result: The EUT complied with the standards above. Prepared and Checked By: Approved By: Jason Fan Bob Liao EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RF-00B Rev:A/4.0(2024/11/01) Page 2 of 6 TR-4-E-R051 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ................................................................................................................ 3 GENERAL INFORMATION ............................................................................................................................ 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ........................................................................ 4 OBJECTIVE ................................................................................................................................................... 4 TEST FACILITY .............................................................................................................................................. 4 RF EXPOSURE .............................................................................................................................................. 5 APPLICABLE STANDARD ................................................................................................................................. 5 RESULT ........................................................................................................................................................ 5 EXHIBIT A-EUT PHOTOGRAPHS ................................................................................................................ 6 Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RF-00B Rev:A/4.0(2024/11/01) Page 3 of 6 TR-4-E-R051 DOCUMENT REVISION HISTORY Revision Number Report Number Description of Revision Date of Revision Rev.00 2504A37431E-RF-00B Original Report 2025-12-30 Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RF-00B Rev:A/4.0(2024/11/01) Page 4 of 6 TR-4-E-R051 GENERAL INFORMATION Product Description for Equipment under Test (EUT) Product SmartTrack Card E40 Tested Model T87B3 Frequency Range BLE 1M & 2M: 2402-2480MHz Maximum Conducted Output Power(Peak) (actual test result) 3.19dBm Antenna Specification # Internal Antenna, Antenna gain: 1.41 dBi (It is provided by the applicant.) Voltage Range # DC 3.85V from battery or DC 5V from Wireless charging Sample Serial Number 3F26-2 (Assigned by ATC, Shenzhen) Sample/EUT Status Good condition Objective This test report is in accordance with Part 2-Subpart J, Part 15-Subparts C and Part 2-Subpart J, Radiofrequency Radiation Exposure of the Federal Communication Commission rules. The tests were performed in order to determine compliance with FCC §2.1093 rules. Test Facility The test site used by Shenzhen Accurate Technology Co., Ltd. to collect test data is located on the Floor 1, KuMaKe Building, Dongzhou Community, Guangming Street, Guangming District, Shenzhen, Guangdong, China. Accredited by American Association for Laboratory Accreditation (A2LA).The Certificate Number is 4297.01. Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RF-00B Rev:A/4.0(2024/11/01) Page 5 of 6 TR-4-E-R051 RF EXPOSURE Applicable Standard According to FCC §2.1093, systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. According to KDB 447498 D01 General RF Exposure Guidance v06. The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where 1. f(GHz) is the RF channel transmit frequency in GHz. 2. Power and distance are rounded to the nearest mW and mm before calculation. 3. The result is rounded to one decimal place for comparison. 4. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test Exclusion. Result For worst case: Frequency (MHz) Tune-Up Conducted Output Power # (dBm) Tune-Up Conducted Output Power # (mW) Distance (mm) Calculated Value Threshold (1-g SAR) SAR Test Exclusion 2480 3.2 2.09 5 0.66 3 Yes Note: The tune-up conducted power is declared by the applicant. Result: No SAR test is required. Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RF-00B Rev:A/4.0(2024/11/01) Page 6 of 6 TR-4-E-R051 EXHIBIT A-EUT PHOTOGRAPHS Please refer to the Attachment No.1 …

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0 This document is strictly prohibited from being copied in any way without the permission of our company SPECIFICATION FOR APPROVAL Custome rAdmit confirm ID DepartmentTest departmentStructure sectionQuality department Supplier Admit confirm confirmProofreadingTo examineApproval ziyehuimo zhenwenXuliying APPROVAL No.ATCSZ-5-180124-001ISSUE1 DESCRIBE: Anker Innovations Co., LTD （ T87B3) Customer NO: PART NO: ATC1524-AK018B14RA Antenna type: 2.4G BLEI-Ant PCB DATE: 2025.12.22 PROVIDER: AT&C Technology (Shenzhen) Co. 201, Building C, Chuangwei Innovation Valley, No.1 Tangtou Ro ad, Shiyan Street, Bao'an District, Shenzhen, China 1 This document is strictly prohibited from being copied in any way without the permission of our company Testing equipmen 2 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company BOM Customer P/NPart P/NPart Name ATC1524-AK018B14RA BLE Ant 3 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company Impedance Matching Go to the antenna location with 0 ohms, connect the main circuit with 0.5pF, and change the string from 0 ohms to 2.2pF capacitor 4 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company Ant-S11 5 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company Antenna *Efficiency (2.4G) Passive Test Results Frequency(MHz)Efficiency(%)Efficiency(dB)Max Gain(dBi) 2400 55.72%-2.54 1.41 2410 55.21%-2.58 1.32 2420 53.70%-2.70 1.28 2430 51.29%-2.90 1.25 2440 50.47%-2.97 1.14 2450 50.82%-2.94 1.01 2460 50.58%-2.96 0.96 2470 48.75%-3.12 0.65 2480 45.92%-3.38 0.52 2490 43.05%-3.66 0.40 2500 40.55%-3.92 0.69 AVG: 49.64%-3.06 0.97 6 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company 2D Radiation Pattern H 7 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company 2D Radiation Pattern E1 8 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company 2D Radiation Pattern E2 9 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company 3D Radiation Pattern 2450MHZ 10 CustomerAnkerWritten By ZYHOrig. Date2025.12.22 Part NumberATC1524-AK018B14RARevised BySHINRevised Date2025.12.22 Description2.4G BLE ANTApproved ByHJApproved Date2025.12.22 This document is strictly prohibited from being copied in any way without the permission of our company 2D Draw

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA, or any agency of the Federal Government. The information marked ―#‖ is provided by the applicant, the laboratory is not responsible for its authenticity and this information can affect the validity of the result in the test report. Customer model name, addresses, names, trademarks etc. are included but no need marked. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with ▲.This report must not be used by the client to claim product certification, approval, or endorsement by A2LA, or any agency of the U.S. Government. Each test item follows the test standard(s) without deviation. Shenzhen Accurate Technology Co., Ltd. Floor 1, KuMaKe Building, Dongzhou Community, Guangming Street, Guangming District, Shenzhen, Guangdong, China. Tel: +86 755-26503290 Web: www.atc-lab.com Rev:A/4.1(2025/12/12) Page 1 of 64 TR-4-E-R136 TEST REPORT Applicant Name: Anker Innovations Limited Address: Unit 56, 8th Floor, Tower 2, Admiralty Centre, 18 Harcourt Road, Hong Kong Report Number: 2504A37431E-RFA FCC ID: 2AOKB-T87B3 IC: 23451-T87B3 Test Standard (s) FCC PART 15.247 RSS-GEN ISSUE 5, FEBRUARY 2021 AMENDMENT 2 RSS-247 ISSUE 4, JULY 24, 2025 Sample Description Product Name: SmartTrack Card E40 Model No.: T87B3 Trade Mark: eufy Date Received: 2025-12-25 Report Date: 2025-12-30 Test Result: The EUT complied with the standards above. Prepared and Checked By: Approved By: Jason Fan Bob Liao EMC Engineer EMC Engineer Shenzhen Accurate Technology Co., Ltd. Report No.: 2504A37431E-RFA Rev:A/4.1(2025/12/12) Page 2 of 64 TR-4-E-R136 TABLE OF CONTENTS DOCUMENT REVISION HISTORY ................................................................................................................ 4 GENERAL INFORMATION ............................................................................................................................ 5 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ........................................................................ 5 OBJECTIVE ................................................................................................................................................... 6 TEST METHODOLOGY .................................................................................................................................... 6 TEST FACILITY .............................................................................................................................................. 6 MEASUREMENT UNCERTAINTY ....................................................................................................................... 6 SYSTEM TEST CONFIGURATION ............................................................................................................... 7 DESCRIPTION OF TEST CONFIGURATION......................................................................................................... 7 EUT EXERCISE SOFTWARE AND POWER LEVEL # ............................................................................................ 7 SPECIAL ACCESSORIES ................................................................................................................................. 7 EQUIPMENT MODIFICATIONS .......................................................................................................................... 7 SUPPORT EQUIPMENT LIST AND DETAILS ....................................................................................................... 7 EXTERNAL I/O CABLE .................................................................................................................................... 7 BLOCK DIAGRAM OF TEST SETUP .................................................................................................................. 8 SUMMARY OF TEST RESULTS ................................................................................................................... 9 TEST EQUIPMENT LIST ............................................................................................................................. 10 ANTENNA REQUIREMENT......................................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................... 11 ANTENNA CONNECTOR CONSTRUCTION ....................................................................................................... 11 RADIATED SPURIOUS EMISSIONS .......................................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................... 12 EUT SETUP ................................................................................................................................................ 12 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .................................................................................. 14 TEST PROCEDURE ...................................................................................................................................... 14 CALCULATION ............................................................................................................................................. 15 TEST DATA ..........................................................................................................................................…

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