2ARXN-U1Fi Ultra

Barking Labs Corp. 419 Lafayette St., Fl. 2 New York, NY 10003 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 May 4, 2026 Subject: Certifications concerning “covered” equipment pursuant to Part 2.911(d)(5)(i) and (ii) To whom it may concern, Barking Labs Corp. certifies that the equipment with FCC ID: 2ARXN-U1, for which authorization is sought, is not the equipment on the Covered List, as established pursuant to § 1.50002 of CFR Title 47, that is prohibited from obtaining an equipment authorization under this subpart. This includes equipment that: (1) Has been certified as a modular transmitter; or (2) Meets the modular transmitter requirements of § 15.212 of this chapter and could be certified as a modular transmitter. pursuant to section 2.903 resulting the recent adoption of FCC 25-71 (et al., ET Docket No. 21-232, Second Report and Order); or (3) Uncrewed aircraft systems (UAS) and UAS critical components produced in a foreign country and all communications and video surveillance equipment and services listed in Section 1709(a)(1) of the FY25 National Defense Authorization Act (Pub. L. 118-159) 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. 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. The above-referenced Covered List is published by the Public Safety and Homeland Security Bureau (PSHSB), pursuant to Section 1.50002 of the Commission's rules. Sincerely, Robert Blake [email protected]

Barking Labs Corp. 419 Lafayette St., Fl. 2 New York, NY 10003 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Road Columbia, MD 21046-1609 February 4, 2026 Subject: Certification Designing a U.S. Agent for Service of Process Concerning “Covered” Equipment Pursuant to Section 1.50002 To whom it may concern, As required by section 2.911(d)(7) of Commission’s rules (47 CFR), Barking Labs Corp. (Grantee Code 2ARXN) acknowledges, consents, and certifies that, as of the date of the filing of the application until this certification is revoked in writing by the applicant: • The applicant designates itself as the U.S. agent to accept service of process • The physical U.S. address and email of the applicant as designated agent are as follows: Attention: Robert Blake Company: Barking Labs Corp. Address: 419 Lafayette St. Floor 2, New York, NY 10003 FRN: 0027868058 Phone: 914-249-9347 Email: [email protected] • Applicant will remain as the designated agent for service 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. • The agent accepts the designation by Barking Labs Corp. as the U.S. agent to accept service of process which includes, but is not limited to, delivery of any correspondence, notices, orders, decisions, and requirements of administrative, legal, or judicial process related to Commission proceedings. • The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Sincerely, Robert Blake [email protected]

Barking Labs Corp. 419 Lafayette St., Fl. 2 New York, NY 10003 Federal Communications Commission Office of Engineering and Technology Laboratory Division 7435 Oakland Mills Rd Columbia MD 21046-1609 May 4, 2026 Subject: Request for Confidentiality To whom it may concern, Pursuant to Sections 0.457 and 0.459 of the Commission's Rules (47CFR §§ 0.457, 0.459), we hereby request confidential treatment of accompanying information regarding the following product: Product Name: Fi Ultra Product Model: U1 ISED ID: 34539-U1 The following information, if provided, should be held confidential indefinitely: ● All schematics and block diagrams ● All parts lists ● Tune-up procedure ● Operational description and technical overview The following information, if provided, should be held for short-term confidentiality of 180 days as outlined in Public Notice DA 04-1705: ● External Photos ● Internal Photos ● Test Setup Photos ● User Manual The above materials contain trade secrets, proprietary information, and commercially sensitive information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. We understand that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Robert Blake [email protected]

Barking Labs Corp. 419 Lafayette St., Fl. 2 New York, NY 10003 Federal Communications Commission 7435 Oakland Mills Rd Columbia MD 21046-1609 May 4, 2026 Subject: Power of Attorney To whom it may concern, Please be notified that I, Robert Blake, have designated Jim Tsai at Sporton International Inc. (Kunshan) as the person responsible for this project and to sign form 731 and other documentation. Any and all acts carried out by Jim Tsai at Sporton International Inc. (Kunshan), on matters relating to all processes required for FCC approval and any communication needed with the national authority, shall have the same legal authority as acts on our own behalf. We further certify, as described in 47 CFR Ch. 1.2002 (b), that neither the applicant nor any party to this application is subject to a denial in Federal benefits, that includes FCC benefits pursuant to section 5301 of the Anti-Drug Abuse Act of 1998, 21 U.S.C. 825(a). This authorization is limited to the following product: FCC ID: 2ARXN-U1 If you have any acknowledgment or response, please send it to Sporton International Inc. (Kunshan) directly. Should you have any questions or comments regarding this matter, please let me know. Sincerely, Robert Blake [email protected]

Fi Ultra (U1): FCC & ISED e-Labeling Access Part 1: Product Description The Fi Ultra, model U1, is a wearable asset tracker for dogs. This Collar does not have an integrated display, but a smartphone containing a display is required to operate the Collar via the Fi app. The Fi app is the only mechanism for the user to see data from the Collar or control the Collar. The connection between the Collar and the user’s smartphone can be made locally via Bluetooth under the control of the end user. As such, this product qualifies for electronic labeling under both the criteria in FCC publication number 784748 D02 and the criteria in ISED notice 2014-DRS1003. Part 2: User Steps to Access Regulatory Information Step 0: In Pack Settings Menu, select the pet whose device you are interested in. Step 1: Select the device you are interested in Step 2: On the device page, press the “info” button to show the FCC and IC ID Part 3: Security of Regulatory Information The regulatory information displayed in the Fi app is securely retrieved and displayed on a per-device basis based on the device serial number, which is unalterable and set at the time of manufacture. Part 4: Physical label for purchasing and importation A printed insert inside the packaging is provided so the FCC and IC ID can be verified at the time of importation, marketing, and sales. Please see printed insert screenshots below. FCC & ISED Compliance Statements:

Sporton International Inc. (Kunshan) Page Number : 1 of 20 TEL : +86-512-57900158 Report Issued Date : May 07, 2026 FCC ID : 2ARXN-U1 Report Version : Rev. 01 Report Template No.: BU5-FC15B Version 3.0 FCC Test Report Report No. : FC630915 FCC Test Report APPLICANT : Barking Labs Corp. EQUIPMENT : Fi Ultra BRAND NAME : Fi MODEL NAME : U1 FCC ID : 2ARXN-U1 STANDARD : 47 CFR Part 15 Subpart B CLASSIFICATION : Certification TEST DATE(S) : Apr. 23, 2026 ~ Apr. 24, 2026 We, Sporton International Inc. (Kunshan), would like to declare that the tested sample has been evaluated in accordance with the test procedures given in ANSI C63.4-2014 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. (Kunshan), the test report shall not be reproduced except in full. Approved by: Jason Jia Sporton International Inc. (Kunshan) No. 1098, Pengxi North Road, Kunshan Economic Development Zone Jiangsu Province 215300 People’s Republic of China Sporton International Inc. (Kunshan) Page Number : 2 of 20 TEL : +86-512-57900158 Report Issued Date : May 07, 2026 FCC ID : 2ARXN-U1 Report Version : Rev. 01 Report Template No.: BU5-FC15B Version 3.0 FCC Test Report Report No. : FC630915 TABLE OF CONTENTS REVISION HISTORY .......................................................................................................................................... 3 SUMMARY OF TEST RESULT ......................................................................................................................... 4 1. GENERAL DESCRIPTION .......................................................................................................................... 5 1.1. Applicant ............................................................................................................................................ 5 1.2. Manufacturer ..................................................................................................................................... 5 1.3. Product Feature of Equipment Under Test ....................................................................................... 5 1.4. Product Specification of Equipment Under Test ............................................................................... 6 1.5. Modification of EUT ........................................................................................................................... 6 1.6. Test Location ..................................................................................................................................... 6 1.7. Test Software .................................................................................................................................... 7 1.8. Applicable Standards ........................................................................................................................ 7 2. TEST CONFIGURATION OF EQUIPMENT UNDER TEST ........................................................................ 8 2.1. Test Mode ......................................................................................................................................... 8 2.2. Connection Diagram of Test System ................................................................................................ 9 2.3. Support Unit used in test configuration and system .......................................................................... 9 2.4. EUT Operation Test Setup ................................................................................................................ 9 3. TEST RESULT ........................................................................................................................................... 10 3.1. Test of AC Conducted Emission Measurement .............................................................................. 10 3.2. Test of Radiated Emission Measurement ....................................................................................... 14 4. LIST OF MEASURING EQUIPMENT ........................................................................................................ 19 5. MEASUREMENT UNCERTAINTY ............................................................................................................ 20 APPENDIX A. SETUP PHOTOGRAPHS Sporton International Inc. (Kunshan) Page Number : 3 of 20 TEL : +86-512-57900158 Report Issued Date : May 07, 2026 FCC ID : 2ARXN-U1 Report Version : Rev. 01 Report Template No.: BU5-FC15B Version 3.0 FCC Test Report Report No. : FC630915 REVISION HISTORY REPORT NO. VERSION DESCRIPTION ISSUED DATE FC630915 Rev. 01 Initial issue of report May 07, 2026 Sporton International Inc. (Kunshan) Page Number : 4 of 20 TEL : +86-512-57900158 Report Issued Date : May 07, 2026 FCC ID : 2ARXN-U1 Report Version : Rev. 01 Report Template No.: BU5-FC15B Version 3.0 FCC Test Report Report No. : FC630915 SUMMARY OF TEST RESULT Report Section FCC Rule Description Limit Result Remark 3.1 15.107 AC Conducted Emission < 15.107 limits PASS Under limit 20.48 dB at 4.746 MHz 3.2 15.109 Radiated Emission < 15.109 limits PASS Under limit 9.44 dB at 32.43 MHz Conformity Assessment Condition: The test results (PASS/FAIL) with all measurement uncertainty excluded are presented against the regulation limits or in accordance with the requirements stipulated by the applicant/manufacturer who shall bear all the risks of non-compliance that may potentially occur if measurement uncertainty is taken into account. Please refer to each test results in the section “Measurement Uncertainty”. Disclaimer: The product specifications of the EUT presented in the test report that may affect the test assessments are declared by the manufacturer who shall take full responsibility for the authenticity. Sporton International Inc. (Kunshan) Page Number : 5 of 20 TEL : +86-512-57900158 Report Issued Date : May 07, 2026 F…

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