2AXEL-C1Wireless Helmet Headset

[Shenzhen Calion Power Co., Ltd.] [1301. Huitong Building, No. 10 Longgang Road, Longgang Street, Longgang District, Shenzhen China] Date: Aug. 11, 2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AXEL-C1 US Agent – Attestation Statement / Part 2.911(d)(7) [Shenzhen Calion Power Co., Ltd.] certifies, that as of [Aug. 11, 2025], we have designated FCC US Agent, LLC to accept service of process on our behalf for FCC ID: 2AXEL-C1. [Shenzhen Calion Power Co., Ltd.], accepts to maintain an agent of 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. FCC US Agent, LLC, accepts as of the date of the filing of this application, the obligation of being the designated agent for the purpose of accepting service of process on behalf of [Shenzhen Calion Power Co., Ltd.] for FCC ID: 2AXEL-C1. Designated Agent Information: Company Name: FCC US Agent, LLC FRN: 0033402884 Address: 3722 Illinois Avenue, Saint Charles, IL, 60174, USA Contact Person: Tim Payne Phone: 708-571-3148 Email: [email protected] Sincerely, Company: Shenzhen Calion Power Co., Ltd. FRN:0029915527 Designated Agent: FCC US Agent, LLC Company Representative: Guanghuo Guo Tel: 0755-28329529 Email: [email protected] Designated Agent Representative: Tim Payne Signature: Signature:

Shenzhen Calion Power Co., Ltd. 1301. Huitong Building, No. 10 Longgang Road, Longgang Street, Longgang District, Shenzhen China Aug. 14, 2025 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject: Explanation of differences between product types FCC ID: 2AXEL-C1 Models: C1, C1Pro, C1Max, C1Pro Max To Whom It May Concern: We, The Shenzhen Calion Power Co., Ltd. hereby declare that the model : C1Pro, C1Max, C1Pro Max is identical with the model : C1, exactly the same except for the color and model name. Sincerely, Shenzhen Calion Power Co., Ltd. Signature: [Guanghuo Guo, Manager]

Shenzhen Calion Power Co., Ltd. 1301. Huitong Building, No. 10 Longgang Road, Longgang Street, Longgang District, Shenzhen China Letter of Authorization Company: Shenzhen Calion Power Co., Ltd. Address: 1301. Huitong Building, No. 10 Longgang Road, Longgang Street, Longgang District, Shenzhen China Product Name: Wireless Helmet Headset Model Number(s): C1, C1Pro, C1Max, C1Pro Max Product Description: Wireless Helmet Headset We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Aug. 14, 2025 Name: Guanghuo Guo Title: Manager Company: Shenzhen Calion Power Co., Ltd.

Report No.: AGC15344250605AP03 Page 1 of 4 EXTERNAL PHOTOS ALL VIEW OF EUT TOP VIEW OF EUT Use Microphones as FM antenna Report No.: AGC15344250605AP03 Page 2 of 4 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Report No.: AGC15344250605AP03 Page 3 of 4 BACK VIEW OF EUT LEFT VIEW OF EUT Report No.: AGC15344250605AP03 Page 4 of 4 RIGHT VIEW OF EUT ****************************************End of Report*************************************

FCC ID Label Location 20mm*10mm FCC ID: 2AXEL-C1

Report No.: AGC15344250605AP03 Page 1 of 4 INTERNAL PHOTOS OPEN VIEW OF EUT INTERNAL VIEW OF EUT (FIGURE 1) Report No.: AGC15344250605AP03 Page 2 of 4 INTERNAL VIEW OF EUT (FIGURE 2) INTERNAL VIEW OF EUT (FIGURE 3) Report No.: AGC15344250605AP03 Page 3 of 4 INTERNAL VIEW OF EUT (FIGURE 4) INTERNAL VIEW OF EUT (FIGURE 5) BT Antenna Report No.: AGC15344250605AP03 Page 4 of 4 VIEW OF BATTERY ****************************************End of Report*************************************

Page 1 of 10 RF Exposure Report Report No.: AGC15344250605FH01 FCC ID : 2AXEL-C1 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Helmet Headset BRAND NAME : N/A MODEL NAME : C1, C1Pro, C1Max, C1Pro Max APPLICANT : Shenzhen Calion Power Co., Ltd. DATE OF ISSUE : Aug. 12, 2025 STANDARD(S) : FCC KDB 447498 D01 V06 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC15344250605FH01 Page 2 of 10 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Aug. 12, 2025 Valid Initial Release Report No.: AGC15344250605FH01 Page 3 of 10 Table of Contents 1. General Information ........................................................................................................................................ 4 2. Product Information ........................................................................................................................................ 5 2.1 Product Technical Description ................................................................................................................... 5 3. Test Environment ............................................................................................................................................ 6 3.1 Address Of The Test Laboratory ............................................................................................................... 6 3.2 Test Facility ................................................................................................................................................ 6 3.3 Environmental Conditions ......................................................................................................................... 7 4. Portable Device Evaluation Method and Limit ............................................................................................. 8 5. Measurement Results ..................................................................................................................................... 9 6. Measurement Evaluation ................................................................................................................................ 9 Report No.: AGC15344250605FH01 Page 4 of 10 1. General Information Applicant Shenzhen Calion Power Co., Ltd. Address 1301. Huitong Building, No. 10 Longgang Road, Longgang Street, Longgang District, Shenzhen China Manufacturer Shenzhen Zhonglineng Technology Co., LTD Address 201, B2 Building, 2nd Industrial park, NO.56, Xiakeng 2st Road, Tongde community, Baolong street, Longgang District, Shenzhen China Factory Shenzhen Zhonglineng Technology Co., LTD Address 201, B2 Building, 2nd Industrial park, NO.56, Xiakeng 2st Road, Tongde community, Baolong street, Longgang District, Shenzhen China Product Designation Wireless Helmet Headset Brand Name N/A Test Model C1 Series Model(s) C1Pro, C1Max, C1Pro Max Difference Description They are exactly the same except for the color and model name. Date of receipt of test item Aug. 01, 2025 Date of Test Aug. 01, 2025 to Aug. 12, 2025 Deviation from Standard No any deviation from the test method Condition of Test Sample Normal Test Result Pass Test Report Form No AGCER-FCC-RF Exposure-V1 Note: The test results of this report relate only to the tested sample identified in this report. Prepared By Jasiel Xie (Project Engineer) Aug. 12, 2025 Reviewed By Bibo Zhang (Reviewer) Aug. 12, 2025 Approved By Angela Li (Authorized Officer) Aug. 12, 2025 Report No.: AGC15344250605FH01 Page 5 of 10 2. Product Information 2.1 Product Technical Description Frequency Band (Operating) Bluetooth: 2.402GHz ~ 2.480GHz Other: Hardware Version V1.0 Software Version V1.0 Modulation Type BR GFSK, EDR π /4-DQPSK, 8DPSK Device Category Portable (<20cm separation) Mobile (>20cm separation) Others: Antenna Diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Antenna Designation PCB Antenna Antenna Gain 1.9dBi Minimum Assessment Distance 5mm Evaluation Applied MPE Evaluation SAR Evaluation Report No.: AGC15344250605FH01 Page 6 of 10 3. Test Environment 3.1 Address Of The Test Laboratory Laboratory: Attestation of Global Compliance (Shenzhen) Co., Ltd. Address: 1-2/F, Building 19, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China 3.2 Test Facility The test facility is recognized, certified, or accredited by the following organizations: CNAS-Lab Code: L5488 Attestation of Global Compliance (Shenzhen) Co., Ltd. has been assessed and proved to follow CNAS-CL01 Accreditation Criteria for Testing and Calibration Laboratories (identical to ISO/IEC17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories.) A2LA-Lab Cert. No.: 5054.02 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been accredited by A2LA for technical competence in the field of electrical testing, and proved to follow ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. FCC-Registration No.: 975832 Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the FCC (Federal Communications Commission). The acceptance letter from the FCC is maintained in our files with Registration 975832. IC-Registration No.: 24842(CAB identifier: CN0063) Attestation of Global Compliance (Shenzhen) Co., Ltd. EMC Laboratory has been registered and fully described in a report filed with the Certification and Engineering Bureau of Industry Canada. The acceptance letter from the IC is maintained in our files with Registration 24842. Report No.: AGC15344250605FH01 Page 7 of 10 3.3 Environmental Conditions NORMAL CONDITIONS Temperature range (°C) 15 - 35 Relative humidity range 20 % - 75 % Pressure range (kPa) 86 - 106 Power supply DC 3.…

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Product specification Quick Reference Date Antenna module on the system board Frequenc Range 2400 ~ 2500MHz Ant. Port Input Pwr. (dBm) 0 (Typ. BT class 2 output power) Tot. Rad. Pwr. (dBm)-1.2 (Input pwr - loss pwr) Peak EIRP(dBm) 1.2 Directivity (dBi) 1 (all direction antenna) Efficiency (dB) 6 0.2 % Gain (dBi) 1.9 (Avg Gain XY-plane) Maximum Power (dBm)1.7 (XY-plane) Minimum Power (dBm)-4(XY-plane) Avg. Power (dBm) -0.5(XY-plane) Input Impendence(ohm) 50 Polarization Type V ertical & Horizontal V . S .W . R < 1.4 Item XY-planeXZ-planeYZ-plane Efficiency Peak Avg. Peak Avg. Peak Avg. Unit in dBi @2.400GHz 1.2-0.51.9-3.81.7-3.06 0.2 % Unit in dBi @2.450GHz 1.1-0.31.45 -2.61.5-3.06 0.2 % Unit in dBi @2.500GHz 1.8 0.51.75 -1.61.4-3.06 0.2 % All the technical data and information contained herein are subject to change without prior notice Antenna Layout & module on the system board Antenna Gain Gain Table Retum Loss The Environment of Antenna Radiation Pattem 3D radiation pattern diagram XY-planeXZ-planeYZ-plane

Page 1 of 66 FCC Test Report Report No.: AGC15344250605FR01 FCC ID : 2AXEL-C1 APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Wireless Helmet Headset BRAND NAME : N/A MODEL NAME : C1, C1Pro, C1Max, C1Pro Max APPLICANT : Shenzhen Calion Power Co., Ltd. DATE OF ISSUE : Aug. 12, 2025 STANDARD(S) : FCC Part 15 Subpart C §15.247 REPORT VERSION : V1.0 Attestation of Global Compliance (Shenzhen) Co., Ltd Report No.: AGC15344250605FR01 Page 2 of 66 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Aug. 12, 2025 Valid Initial Release Report No.: AGC15344250605FR01 Page 3 of 66 Table of Contents 1. General Information ........................................................................................................................................ 5 2. Product Information ........................................................................................................................................ 6 2.1 Product Technical Description ................................................................................................................... 6 2.2 Test Frequency List ................................................................................................................................... 6 2.3 Related Submittal(S) / Grant (S) ............................................................................................................... 7 2.4 Test Methodology ...................................................................................................................................... 7 2.5 Receiver Input Bandwidth ......................................................................................................................... 7 2.6 Equally Average Use of Frequencies and Behaviour. ............................................................................. 7 2.7 Pseudorandom Frequency Hopping Sequence ........................................................................................ 8 2.8 Special Accessories .................................................................................................................................. 9 2.9 Equipment Modifications ........................................................................................................................... 9 2.10 Antenna Requirement ............................................................................................................................. 9 3. Test Environment .......................................................................................................................................... 10 3.1 Address of The Test Laboratory .............................................................................................................. 10 3.2 Test Facility .............................................................................................................................................. 10 3.3 Environmental Conditions ....................................................................................................................... 11 3.4 Measurement Uncertainty ....................................................................................................................... 11 3.5 List of Equipment Used ........................................................................................................................... 12 4.System Test Configuration ............................................................................................................................ 14 4.1 EUT Configuration ................................................................................................................................... 14 4.2 EUT Exercise ........................................................................................................................................... 14 4.3 Configuration of Tested System .............................................................................................................. 14 4.4 Equipment Used in Tested System ......................................................................................................... 14 4.5 Summary of Test Results ........................................................................................................................ 15 5. Description of Test Modes ........................................................................................................................... 16 6. RF Output Power Measurement .................................................................................................................. 17 6.1 Provisions Applicable .............................................................................................................................. 17 6.2 Measurement Procedure ......................................................................................................................... 17 6.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 17 6.4 Measurement Result ............................................................................................................................... 18 7. 20dB Bandwidth and 99% Occupied Bandwidth Measurement ............................................................... 22 7.1 Provisions Applicable .............................................................................................................................. 22 7.2 Measurement Procedure ......................................................................................................................... 22 7.3 Measurement Setup (Block Diagram of Configuration) .......................................................................... 22 7.4 Measurement Results ............................................................................................................................. 23 8. Conducted Band Edge and Out-of-Band Emissions ..........…

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Report No.: AGC15344250605AP02 Page 1 of 2 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Report No.: AGC15344250605AP02 Page 2 of 2 RF CONDUCTED TEST SETUP ****************************************End of Report*************************************