2A4WD-ZK-ST21

Qingdao Wuzhi Intelligent Technology Co., Ltd.

Bluetooth Audio Power Amplifier

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Application Details

Equipment Class: DSS - Part 15 Spread Spectrum Transmitter
Date of Grant: Apr 21, 2026
Application Purpose: Original Equipment
Equipment Note: Bluetooth Audio Power Amplifier
Frequency Range: 2402.00000000 - 2480.00000000
Company: Qingdao Wuzhi Intelligent Technology Co., Ltd.
Country: China

Documents & Files

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Users Manual

Attestation Statements

Cover Letter(s)

External Photos

ID Label/Location Info

Internal Photos

RF Exposure Info

Test Report

Test Setup Photos

Contact Information

Applicant

CHENCHEN ZHANG(General manager)

[email protected]Fax: 13538218145

Technical Contact

HOORAY INDUSTRY LLCCindy Wu

[email protected]

1408 Pinon Place Fullerton, · United States

Test Firm

Shenzhen HTT Technology Co.,Ltd.Kevin Yang

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	1.30 mW

Confidentiality

Long Term

Grant Notes

Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.

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