FCC ID: 2A8LO-M-371 Bluetooth mouse

M401BT M-371 751-401801-000 80G 75X105m I N FCC Warning:

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. FCC ID: 2A8LO-M-371

ZADEZ TECHNOLOGY CO., LIMITED. Declaration concerning Antenna Specification It is hereby declared that the product Model No.: M-371 FCC ID : 2A8LO-M-371 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for internal antenna type(s) described below:

Model No. of antenna: N/A Type of antenna:

Gain of the antenna:

Frequency range:

PCB antenna

-0.74 dBi 2402-2480MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name:

Address:

City:

ZIP / Postal code:

Country:

Place:

ZADEZ TECHNOLOGY CO., LIMITED. RM 1005, 10/F HO KING COMM CTR, 2-16 FA YUEN ST MONGKOK KLN, HONG KONG, China HONG KONG

China HONG KONG Date: 9/22/2022 Signature:

version01

3UL Report No.: BTL-ANT-2208G039 ROO ANT Test Report Antenna Type: PCB Antenna EUT Photo 3UL Report No.: BTL-ANT-2208G039 ROO Project No. Product Type Brand Name Date of Test Issued Date Report Version Test Sample Standard(s) Applicant Address Manufacturer Address 22086039 PCB Antenna shanggui BT3GMD_B26P 2022-8-24 2022-8-24 2022-8-24 mainboard V0.2 mouse Test Plan for Wireless Device Over-the-Air Performance v3.8.2 shanggui A1302, Building 4, Tianan Digital City, Huangge North Road, Longcheng Street, Longgang District, Shenzhen, Guangdong, China A1302, Building 4, Tianan Digital City, Huangge North Road, Longcheng Street, Longgang District, Shenzhen, Guangdong, China 3UL Report No.: BTL-ANT-2208G039 ROO Declaration BTL represents to the client that testing is done in accordance with standard procedures as applicable and that test instruments used has been calibrated with standards traceable to international standard(s) and/or national standard(s) BTL's reports apply only to the specific samples tested under conditions. It is manufactures responsibility to ensure that additional production units of this mode! are manufactured with the identical electrical and mechanical components. BTL shall have no liability for any declarations, inferences or generalizations drawn by the client or others from BTL issued reports. The report must not be used by the client to claim product certification, approval, or endorsement by NIST, A2LA, or any agency of the U.S. Government. This report is the confidential property of the client. As a mutual protection to the clients, the public and ourselves, the test report shall not be reproduced, except in full, without our written approval BTL's laboratory quality assurance procedures are in compliance with the ISO/EC 17025 requirements, and accredited by the conformity assessment authorities listed in this test report. BTL is not responsible for the sampling stage, so the results only apply to the sample as received. The information, data and test plan are provided by manufacturer which may affect the validity of results, so it is manufacturer's responsibility to ensure that the apparatus meets the essential requirements of applied standards and in all the possible configurations as representative of its intended use. 3UL Report No.: BTL-ANT-2208G039 ROO Table of Contents REPORT ISSUED HISTORY

- PHYSICAL LAYOUT AND SITE DESCRIPTION... WIRELESS MOBILE DEVICE TEST LABORATORY ANECHOIC CHAMBER MULTI AXIS POSITIONING SYSTEM (MAPS) QUIET ZONE 7 EMCO MODEL 3165-01 ABSORBER NESTED DUAL-POLARIZED DUAL-VIVALDI ARRAY ANTENNA7 EMCO-3102 CIRCULARLY POLARIZED COMMUNICATION ANTENNAS 7 TEST EQUIPMENT 7 EMQUEST SOFTWARE 7 2.4G GAIN & PATTERN IRON.. TEST EQUIPMENT LIST.. TEST EQUIPMENT USED FOR MEASURING "1

. PHOTOGRAPH... EUT SETUP PHOTO. 12 3UL Report No.: BTL-ANT-2208G039 ROO REPORT ISSUED HISTORY Report No. Version Description Issued Date BTL-ANT-2208G039 Roo Original Report. 2022-08-24 3UL Report No.: BTL-ANT-2208G039 ROO

. PHYSICAL LAYOUT AND SITE DESCRIPTION WIRELESS MOBILE DEVICE TEST LABORATORY All tests were performed in BTL Inc. state-of-the-art Wireless Mobile Device Test Laboratory consisting of a rectangular anechoic chamber equipped with a multi-axis positioning system (MAPS), a dual polarized quad-

ridge waveguide hom, and two EMCO-3102 circularly polarized communication antennas. A base station simulator is used to establish communication with the EUT and place it in the proper mode, and a spectrum analyzer and RF switch combination is used for measuring the signal from the EUT at each position and polarization. BTL Inc.s EMQuest EMQ-100 Pattern Measurement Software is used for data acquisition, post-

processing, and generation of the required output ANECHOIC CHAMBER The anechoic chamber is a rectangular anechoic chamber designed and built by ETS-Lindgren with the following nominal dimensions Length: 5.1 m (200 in) Width: 5.1 m (200 in) Height: 5.1 m (200 in) 3UL Report No.: BTL-ANT-2208G039 ROO 2.4G GAIN & PATTERN IRON Frequency

(MHz) Efficiency

(%) 2400 17.61 2410 18.25 2420 17.75 2430 16.92 2440 16.78 2450 16.60 2460 16.45 2470 15.42 2480 14.46 2490 14.21 2500 14.57 3UL Report No.: BTL-ANT-2208G039 ROO 2400 MHz 2410 MHz]

2420 MHz, 2430 MHz 2440 MHz 2450 MHz 2460 MHz 2470 MHz 2480 MHz 2490 MHz 2500 MHz Max: 0 Min: -22 3UL Report No.: BTL-ANT-2208G039 ROO H-Plane Azimuth = 0.0 Elevation = 0.0 Roll = 0.0 Response (dB) 3UL Report No.: BTL-ANT-2208G039 ROO Measurement Uncertainty The expanded measurement uncertainties (k = 2) for the results reported above have been determined to be as follows, Passive Measurenent (dB) Test Configuration 2400-2500MHZ 5000-6000MHZ ee Space LAT 1.04