FCC ID 2A4WD-ZK502M
Bluetooth Audio Power Amplifier
by Qingdao Wuzhi Intelligent Technology Co., Ltd.
Grantee Code: 2A4WD Product Code: ZK502M
Latest application date: 2024-09-09
FCC ID Device Details
| FCC ID | 2A4WD-ZK502M |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A4WD |
| Product Code | ZK502M |
| Applicant Business | Qingdao Wuzhi Intelligent Technology Co., Ltd. 🇨🇳 |
| Equipment Class | Bluetooth Audio Power Amplifier |
| Test Firm | Shenzhen CTB Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2024-09-09 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2025-03-08 | PDF 838.6 KB |
| Internal Photos | Internal Photos | 2025-03-08 | PDF 387.1 KB |
| External Photos | External Photos | 2024-09-09 | PDF 503.1 KB |
| ID Label/Location Info | ID Label/Location Info | 2024-09-09 | PDF 197.8 KB |
| Test Setup Photos | Test Setup Photos | 2024-09-09 | PDF 235.7 KB |
| ANT Test Report | Test Report | 2024-09-09 | PDF 622 KB |
| Test Report | Test Report | 2024-09-09 | PDF 4.3 MB |
| Attestation Statements | Attestation Statements | 2024-09-09 | PDF 198.6 KB |
| US agent | Attestation Statements | 2024-09-09 | PDF 249.2 KB |
| Agent Authorization | Cover Letter(s) | 2024-09-09 | PDF 32.6 KB |
| Long & short term Confidentiality Letter | Cover Letter(s) | 2024-09-09 | PDF 145 KB |
| Model Difference | Cover Letter(s) | 2024-09-09 | PDF 141 KB |
| RF Exposure Info | RF Exposure Info | 2024-09-09 | PDF 70.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 394.2 KB | |
| Schematics Metadata only | Schematics | PDF 337.7 KB | |
| Operational Description Metadata only | Operational Description | PDF 145.8 KB |
Application Information
| Application ID | 7vOdd5VG0CuzEsTI1aMf0w== |
|---|---|
| Final Action Date | 2024-09-09 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032008856 |
| Model | ZK502M |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bluetooth Audio Power Amplifier |
| Responsible Party | CHENCHEN ZHANG, General manager, 780754962@qq.com  , 13538218145 |
| Technical Contact | CHENCHEN ZHANG, Qingdao Wuzhi Intelligent Technology Co., Ltd., 780754962@qq.com , 13538214502 |
| Test Firm | Rita Xiao, Shenzhen CTB Testing Technology Co., Ltd., simon@ctb-lab.com  , 86-13538218145 |
| TCB Email | tcbinfo@metlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 03/08/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power listed is conducted. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 7vOdd5VG0CuzEsTI1aMf0w== | 2024-09-09 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0023100 | 15C |
Grants
TCB Grant - Application 7vOdd5VG0CuzEsTI1aMf0w==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 09/09/2024 Application Dated: 09/09/2024 |
| Qingdao Wuzhi Intelligent Technology Co., Ltd. |
| No. 438, Xiaoxinhe Road |
| Huangdao District, Qingdao City, |
| Shandong Province, China |
| Attention: CHENCHEN ZHANG , General manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2A4WD-ZK502M |
| Name of Grantee: | Qingdao Wuzhi Intelligent Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth Audio Power Amplifier |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00231 |
| Output power listed is conducted. |
EAS Grant - Application 7vOdd5VG0CuzEsTI1aMf0w==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Qingdao Wuzhi Intelligent Technology Co., Ltd. No. 438, Xiaoxinhe Road Huangdao District, Qingdao City, Shandong Province, China |
Date of Grant: 09/09/2024 Application Dated: 09/09/2024 |
| Attention: CHENCHEN ZHANG , General manager |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2A4WD-ZK502M |
| Name of Grantee: | Qingdao Wuzhi Intelligent Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth Audio Power Amplifier |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00231 |
| Output power listed is conducted. |
| Mail To: |