FCC ID 2BRNK-MN-WTHM
indoor air quality transmitter
by Guangzhou wangkong Ltd.
Grantee Code: 2BRNK Product Code: MNWTHM
Latest application date: 2025-08-20
FCC ID Device Details
| FCC ID | 2BRNK-MN-WTHM |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BRNK |
| Product Code | MNWTHM |
| Applicant Business | Guangzhou wangkong Ltd. 🇨🇳 |
| Equipment Class | indoor air quality transmitter |
| Test Firm | SHENZHEN CTA TESTING TECHNOLOGY CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-08-20 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-08-20 | PDF 342.7 KB |
| Internal Photos | Internal Photos | 2025-08-20 | PDF 1.4 MB |
| External Photos | External Photos | 2025-08-20 | PDF 551.4 KB |
| Label and location | ID Label/Location Info | 2025-08-20 | PDF 129.1 KB |
| Test Setup Photos | Test Setup Photos | 2025-08-20 | PDF 440.9 KB |
| Antenna specification | Test Report | 2025-08-20 | PDF 390.2 KB |
| CTA25080600601_Test Report-2.4G WIFI N40 | Test Report | 2025-08-20 | PDF 1.8 MB |
| FCC Appendix RF Test Data for 2.4GWIFI_Part1 | Test Report | 2025-08-20 | PDF 5.8 MB |
| FCC Appendix RF Test Data for 2.4GWIFI_Part2 | Test Report | 2025-08-20 | PDF 2.7 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-08-20 | PDF 125.6 KB |
| USA-LocalRepLetter_V1.1 - 2BRNK-MN-WTHM | Attestation Statements | 2025-08-20 | PDF 367.8 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-08-20 | PDF 80.8 KB |
| FCC Declaration of Disable WLAN Channel 12 and 13 | Cover Letter(s) | 2025-08-20 | PDF 102.1 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-08-20 | PDF 110.8 KB |
| CTA25080600602_RF Exposure-MPE | RF Exposure Info | 2025-08-20 | PDF 860.1 KB |
| Block diagram Metadata only | Block Diagram | PDF 83.1 KB | |
| schematic Metadata only | Schematics | PDF 978.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 362.7 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 153.1 KB |
Application Information
| Application ID | hALop+LqVT8icrePvFTDpg== |
|---|---|
| Final Action Date | 2025-08-20 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037392131 |
| Model | MN-WTHM |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | indoor air quality transmitter |
| Responsible Party | Zhong Wenqing, zhongwenqing68@gmail.com  , +(86)13609715316 |
| Test Firm | Eric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn  , 86-755-2322-5875 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. 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. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| hALop+LqVT8icrePvFTDpg== | 2025-08-20 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2412-2462 MHz | 0.0308000 |
Grants
TCB Grant - Application hALop+LqVT8icrePvFTDpg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 08/20/2025 Application Dated: 08/20/2025 |
| Guangzhou wangkong Ltd. |
| Room 207, Building C, #3 Yangmeiling Street, |
| KeMulang, Tianhe district, |
| GuangZhou, China |
| Attention: Zhong Wenqing , |
| 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: | 2BRNK-MN-WTHM |
| Name of Grantee: | Guangzhou wangkong Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | indoor air quality transmitter |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.0308 |
| Output Power listed is peak conducted. This device supports 802.11b, 802.11g and 802.11n with a 20 MHz and 40 MHz bandwidth mode. 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. |