2BQH2-XCAMB02XTRA ATTO

Xtra Technology LLC Date: 9/22/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(5) Attestation FCC ID: 2BQH2-XCAMB02 Grantee FRN: 0037192069 1. Xtra Technology LLC 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. 2. Xtra Technology 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. 3. Xtra Technology LLC 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. Sincerely yours, Name: Fiona Miller Job Title: Certification Manager Company Name: Xtra Technology LLC

Xtra Technology LLC Date: 9/22/2025 Federal Communications Commissions Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 RE: CFR 47 §2.911 (d)(7) Agent Designation Attestation FCC ID: 2BQH2-XCAMB02 Grantee FRN: 0037192069 To whom it may concern: Xtra Technology LLC (“the applicant”) as required by section §2.911(d)(7), will also serve as the agent for service of process for the above referenced FCC ID. The applicant acknowledges that they will 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. The applicant further acknowledges their responsibility under CFR 47 §2.929(c) to inform the FCC whenever the agent information changes. Contact Person Fiona Miller Company Name Xtra Technology LLC FCC FRN: 0037192069 Company US Address 3422 Old Capitol Trail, Suite 700 Wilmington, DE 19808-6124 United States Email [email protected] Sincerely yours, Name: Fiona Miller Job Title: Certification Manager Company Name: Xtra Technology LLC

Xtra Technology LLC Date:9/22/2025 Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 To whom it may concern: I, the undersigned, hereby authorize UL Verification Services Inc. to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by UL Verification Services Inc. on our behalf shall have the same effect as acts of our own. I, 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. 853(a). In authorizing UL Verification Services Inc. as our representative, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; i) keep a record of all complaints made known to us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely Yours, Signed by: Company Name: Xtra Technology LLC Contact Name: Fiona Miller Title of Person: Certification Manager Address: 3422 Old Capitol Trail, Suite 700 Wilmington, DE 19808-6124 United States

Xtra Technology LLC Federal Communications Commission 7435 Oakland Mills Road Columbia MD 21046 Subject: Request for Confidentiality FCC ID: 2BQH2-XCAMB02 To Whom It May Concern: Pursuant to the provisions of Sections 0.457 and 0.459 of the Commission’s rules (47 CFR §§ 0.457, 0.459), we are requesting the Commission to withhold the following attachments as confidential document from public disclosure indefinitely. Schematic Diagram Block Diagram Theory of Operation BOM list 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. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Best Regards Company Name: Xtra Technology LLC Contact Name: Fiona Miller Title of Person: Certification Manager Address: 3422 Old Capitol Trail, Suite 700 Wilmington, DE 19808-6124 United States Date:9/22/2025

Xtra Technology LLC DATE: 9/22/2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Request for Short-Term Confidentiality Company name: Xtra Technology LLC FCC ID: 2BQH2-XCAMB02 FCC Part 15 Certification Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.: (1) Test Setup Photos (2) External Photos (3) Internal Photos (4) User Manual The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Sincerely, Signature Company Name: Xtra Technology LLC Contact Name: Fiona Miller Title of Person: Certification Manager Address: 3422 Old Capitol Trail, Suite 700 Wilmington, DE 19808-6124 United States Date: 9/22/2025

Label locates on the bottom of the device Permanent adhesive type is used to fix the label ,the label drawing isn't removed easily.

. Measurement Report for Device, , , UID 0 -, Channel 0 (2450.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 50.0 x 10.0 x 8.0 Dipole Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid , CW, 0-- 2450.000, 0 7.84 1.85 40.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-09- 16 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 80.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA N/A N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-09-16, 07:11 2025-09-16, 07:18 psSAR1g [W/kg] 5.22 5.19 psSAR10g [W/kg] 2.43 2.41 Power Drift [dB] -0.00 -0.02 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 80.6 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s)

. Measurement Report for Device, FRONT, ISM 2.4 GHz Band, UID 10032 CAA, Channel 78 (2480.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 70.0 x 70.0 x 40.0 XTRA ATTO Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid FRONT, 5.00 ISM 2.4 GHz Band Bluetooth, 10032-CAA 2480.000, 78 7.84 1.85 40.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-09- 16 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 100.0 x 100.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA Y Y Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-09-16, 19:30 2025-09-16, 19:37 psSAR1g [W/kg] 0.008 0.008 psSAR10g [W/kg] 0.004 0.004 Power Drift [dB] 0.04 -0.01 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 77.0 Dist 3dB Peak [mm] 9.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s) . Measurement Report for Device, BACK, ISM 2.4 GHz Band, UID 10032 CAA, Channel 78 (2480.000MHz) Device under Test Properties Model, Manufacturer Dimensions [mm] IMEI DUT Type Device, 70.0 x 70.0 x 40.0 Phone Exposure Conditions Phantom Section, TSL Position, Test Distance [mm] Band Group, UID Frequency [MHz], Channel Number Conversion Factor TSL Conductivity [S/m] TSL Permittivity Flat, Head Simulating Liquid BACK, 0.00 ISM 2.4 GHz Band Bluetooth, 10032-CAA 2480.000, 78 7.84 1.85 40.2 Hardware Setup Phantom TSL, Measured Date Probe, Calibration Date DAE, Calibration Date Twin-SAM V8.0 (30deg probe tilt) - 2100 HBBL-600-10000 Charge:xxxx, 2025-09- 16 EX3DV4 - SN7383, 2025-03-14 DAE4 Sn1318, 2024-10-09 Scan Setup Area Scan Zoom Scan Grid Extents [mm] 100.0 x 100.0 30.0 x 30.0 x 30.0 Grid Steps [mm] 10.0 x 10.0 5.0 x 5.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Graded Grid N/A Yes Grading Ratio N/A 1.5 MAIA Y N/A Surface Detection VMS + 6p VMS + 6p Scan Method Measured Measured Measurement Results Area Scan Zoom Scan Date 2025-09-16, 20:08 2025-09-16, 20:20 psSAR1g [W/kg] 0.308 0.339 psSAR10g [W/kg] 0.122 0.114 Power Drift [dB] -0.03 -0.02 Power Scaling Disabled Disabled Scaling Factor [dB] TSL Correction No correction No correction M2/M1 [%] 72.4 Dist 3dB Peak [mm] 5.0 Warning(s) / Error(s) Details Area Scan Zoom Scan Warning(s) Error(s)

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. SAR EVALUATION REPORT FCC 47 CFR § 2.1093 IEEE Std. 1528-2013 For XTRA ATTO MODEL NUMBER: XCAMB02 REPORT NUMBER: 4791889935-1-SAR-2 ISSUE DATE: September 18, 2025 FCC ID: 2BQH2-XCAMB02 Prepared for Xtra Technology LLC 3422 Old Capitol Trail, Suite 700, Wilmington, DE 19808-6124, USA Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com Website: www.ul.com REPORT NO.: 4791889935-1-SAR-2 Page 2 of 23 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 Septembert 18, 2025 Initial Issue \ Note: 1) This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2) The measurement result for the sample received is <Pass> according to < IEEE Std. 1528>when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791889935-1-SAR-2 Page 3 of 23 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0036 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Table of Contents 1. Attestation of Test Results .......................................................................................................... 4 2. Test Specification, Methods and Procedures ............................................................................ 5 3. Facilities and Accreditation ......................................................................................................... 6 4. SAR Measurement System & Test Equipment ........................................................................... 7 4.1. SAR Measurement System .............................................................................................................. 7 4.2. SAR Scan Procedures ..................................................................................................................... 8 4.3. Test Equipment .............................................................................................................................. 10 5. Measurement Uncertainty ......................................................................................................... 11 6. Device Under Test (DUT) Information ....................................................................................... 12 6.1. DUT Description............................................................................................................................. 12 6.2. Wireless Technology ...................................................................................................................... 12 7. Conducted Output Power Measurement and tune-up tolerance ............................................ 13 7.1. Test Results of BLE ....................................................................................................................... 13 7.2. Duty Cycle ..................................................................................................................................... 14 8. Test Configuration ..................................................................................................................... 15 8.1. 2.4GHz BLE SAR Test Requirements ............................................................................................... 15 8.2. Repeated measurements .................................................................................................................. 15 9. RF Exposure Conditions ........................................................................................................... 16 10. Dielectric Property Measurements & System Check ............................................................... 17 10.1. Dielectric Property Measurements ................................................................................................. 17 10.2. System Check ................................................................................................................................ 18 11. Measured and Reported (Scaled) SAR Results ....................................................................... 19 11.1. SAR Test Results of BLE ............................................................................................................... 20 12. Simultaneous Transmission SAR Analysis ............................................................................. 21 12.1. Simultaneously transmit SAR calculations ..................................................................................... 21 Appendixes ........................................................................................................................................... 23 4791889935-1-SAR-2_App A Photo .............................................................................................................. 23 4791889935-1-SAR-2_App B System Check Plots ........................................................................................ 23 4791889935-1-SAR-2_App C Highest Test Plots .......................................................................................... 23 4791889935-1-SAR-2_App D Cal. Certificates ...........................................................................…

Text truncated - open the document above for the full version.

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C TEST REPORT For XTRA ATTO MODEL NUMBER: XCAMB02 REPORT NUMBER: 4791889935-1-RF-1 ISSUE DATE: September 19, 2025 FCC ID:2BQH2-XCAMB02 Prepared for Xtra Technology LLC 3422 Old Capitol Trail, Suite 700, Wilmington, DE 19808-6124, USA Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Room 101, Building 2, No.4, Information Road, Songshan Lake, Dongguan, Guangdong, China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4791889935-1-RF-1 Page 2 of 81 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 September 19, 2025 Initial Issue REPORT NO.: 4791889935-1-RF-1 Page 3 of 81 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Test Item Clause Limit/Requirement Result Antenna Requirement N/A FCC Part 15.203/15.247 (c) Pass AC Power Line Conducted Emission ANSI C63.10-2020, Clause 6.2 FCC Part 15.207 Pass Conducted Output Power ANSI C63.10-2020, Clause 11.9.1.2 FCC Part 15.247 (b)(3) Pass 6dB Bandwidth and 99% Occupied Bandwidth ANSI C63.10-2020, Clause 11.8.1 FCC Part 15.247 (a)(2) Pass Power Spectral Density ANSI C63.10-2020, Clause 11.10.2 FCC Part 15.247 (e) Pass Conducted Band edge and spurious emission ANSI C63.10-2020, Clause 11.11 FCC Part 15.247(d) Pass Radiated Band edge and Spurious Emission ANSI C63.10-2020, Clause 11.12 FCC Part 15.247 (d) FCC Part 15.205/15.209 Pass Duty Cycle ANSI C63.10-2020, Clause 11.6 None; for reporting purposes only. Pass *This test report is only published to and used by the applicant, and it is not for evidence purpose in China. *The measurement result for the sample received is <Pass> according to <CFR 47 FCC PART 15 SUBPART C> when <Simple Acceptance> decision rule is applied. REPORT NO.: 4791889935-1-RF-1 Page 4 of 81 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM NO: 10-SL-F0035 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. CONTENTS 1. ATTESTATION OF TEST RESULTS ..................................................................................... 6 2. TEST METHODOLOGY ......................................................................................................... 7 3. FACILITIES AND ACCREDITATION ..................................................................................... 7 4. CALIBRATION AND UNCERTAINTY ................................................................................... 8 4.1. MEASURING INSTRUMENT CALIBRATION ........................................................... 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................ 8 5. EQUIPMENT UNDER TEST .................................................................................................. 9 5.1. DESCRIPTION OF EUT ........................................................................................... 9 5.2. CHANNEL LIST ........................................................................................................ 9 5.3. MAXIMUM POWER .................................................................................................. 9 5.4. TEST CHANNEL CONFIGURATION ...................................................................... 10 5.5. THE WORSE CASE POWER SETTING PARAMETER .......................................... 10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS ......................................................... 10 5.7. SUPPORT UNITS FOR SYSTEM TEST ................................................................. 11 6. MEASURING EQUIPMENT AND SOFTWARE USED......................................................... 12 7. ANTENNA PORT TEST RESULTS ..................................................................................... 15 7.1. CONDUCTED OUTPUT POWER ........................................................................... 15 7.2. 6DB BANDWIDTH AND 99% OCCUPIED BANDWIDTH ........................................ 16 7.3. POWER SPECTRAL DENSITY .............................................................................. 18 7.4. CONDUCTED BAND EDGE AND SPURIOUS EMISSION ..................................... 19 7.5. DUTY CYCLE ......................................................................................................... 21 8. RADIATED TEST RESULTS ............................................................................................... 22 8.1. RESTRICTED BANDEDGE .................................................................................... 29 8.2. SPURIOUS EMISSIONS(1 GHZ~3 GHZ) ............................................................... 34 8.3. SPURIOUS EMISSIONS(3 GHZ~18 GHZ) ............................................................. 40 8.4. SPURIOUS EMISSIONS(9 KHZ~30 MHZ) ............................................................. 52 8.5. SPURIOUS EMISSIONS(18 GHZ~26 GHZ) ........................................................... 55 8.6. SPURIOUS EMISSIONS(30 MHZ~1 GHZ) ............................................................. 57 9. ANTENNA REQUIREMENT .........................…

Text truncated - open the document above for the full version.

1 XCAMB02 BT Antenna 4.1 Basic Specifications No. Specification Descriptions Notes 1 Antenna Name XCAMB02 BT ANT 2 Brand NA 3 Operation Frequency 2.4~2.483GHz 4 Connector Type / 5 Impedance 50ohm 6 Gain [email protected]~2.483GHz 7 Efficiency ≥30% 8 VSWR ≤2 9 Polarization type Linear 10 3dB Beamwidth Omnidirectional horizon Manufacturer: Kunshan Innowave Communication Technology Co., Ltd. Building H, No. 55, Shengchuang Road, Yushan Town, Kunshan City, Jiangsu Province, China 4.2 Gain & Efficiency ANT_BT Frequency/Mhz Efficiency / dB Efficiency / % MaxGain/dBi 2400 -4.73 33.64 0.92 2410 -4.72 33.74 0.95 2420 -4.58 34.78 0.98 2430 -4.56 34.98 1.01 2440 -4.59 34.69 0.99 2450 -4.51 35.36 0.94 2460 -4.58 34.81 0.93 2470 -4.62 34.46 0.81 2480 -4.81 33.02 0.59 2490 -4.85 32.67 0.42 2500 -5.12 30.75 -0.01 4.3 radiation pattern