FCC ID 2A7S7-ET44W
Thermostat
by Wuhu Jiahong New Material Co.,Ltd
Grantee Code: 2A7S7 Product Code: ET44W
Latest application date: 2025-12-12
FCC ID Device Details
| FCC ID | 2A7S7-ET44W |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A7S7 |
| Product Code | ET44W |
| Applicant Business | Wuhu Jiahong New Material Co.,Ltd 🇨🇳 |
| Related Domains |  ahjiahong.com |
| Equipment Class | Thermostat |
| Test Firm | Intertek Testing Services (Shanghai FTZ) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-12-12 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ET-44W user manual rev2 | Users Manual | 2025-12-12 | PDF 3.6 MB |
| Internal photos | Internal Photos | 2025-12-12 | PDF 1 MB |
| External photos | External Photos | 2025-12-12 | PDF 394.9 KB |
| Label and Location | ID Label/Location Info | 2025-12-12 | PDF 273.8 KB |
| Setup photos | Test Setup Photos | 2025-12-12 | PDF 274.9 KB |
| 2506B0578SHA-001 2.4G wifi-FCC_1 | Test Report | 2025-12-12 | PDF 5.2 MB |
| 2506B0578SHA-001 2.4G wifi-FCC_2 | Test Report | 2025-12-12 | PDF 3.7 MB |
| Antenna Specification-ET-44 | Test Report | 2025-12-12 | PDF 393.9 KB |
| ACB-FORM-FCC-Application-Letters-Covered-List-Attestation rev1 | Attestation Statements | 2025-12-12 | PDF 179.9 KB |
| FCC agent letter 2A7S7-ET44W rev1 | Attestation Statements | 2025-12-12 | PDF 47.4 KB |
| ACB-FCC-Agency-Letter REV1 | Cover Letter(s) | 2025-12-12 | PDF 134.7 KB |
| ACB-FORM-FCC-Application-Letters-Confidentiality-Letter REV1 | Cover Letter(s) | 2025-12-12 | PDF 151.7 KB |
| 2506B0578SHA-002 FCC MPE | RF Exposure Info | 2025-12-12 | PDF 317.2 KB |
| Confidential_ET-44-Wblock diagram Metadata only | Block Diagram | PDF 14.4 KB | |
| RF Block Diagram rev1 Metadata only | Block Diagram | PDF 518.3 KB | |
| ET-44 Power Supply schematic diagram rev2 Metadata only | Schematics | PDF 53.5 KB | |
| ET-44W Display Control schematic diagram rev2 Metadata only | Schematics | PDF 65.3 KB | |
| WBR2_SCH Metadata only | Schematics | PDF 1.9 MB | |
| Confidential_ET-44 Operational Description Metadata only | Operational Description | PDF 242.7 KB |
Application Information
| Application ID | ayTbhCusV6ZGykBJV5z9iw== |
|---|---|
| Final Action Date | 2025-12-12 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032629008 |
| Model | ET44W |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Thermostat |
| Responsible Party | Willian Wu, wuyuanjia@ahjiahong.com , 18362894169 |
| Technical Contact | Damon Ding, Intertek Testing Services (Shanghai FTZ) Co., Ltd., damon.ding@intertek.com  , 86 21 61278368 |
| Test Firm | Leah Xu, Intertek Testing Services (Shanghai FTZ) Co., Ltd., leah.xu@intertek.com , 86-21-61278200 |
| TCB Email | hotline@acbcert.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| ayTbhCusV6ZGykBJV5z9iw== | 2025-12-12 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2412-2462 MHz | 0.124 | 15C |
Grants
TCB Grant - Application ayTbhCusV6ZGykBJV5z9iw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 12/12/2025 Application Dated: 12/11/2025 |
| Wuhu Jiahong New Material Co.,Ltd |
| NO.86 Guandou Road, Jiujiang district |
| Wuhu, 241000 China |
| Attention: Willian Wu , Engineer |
| 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: | 2A7S7-ET44W |
| Name of Grantee: | Wuhu Jiahong New Material Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Thermostat |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.124 |
| Power Output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has 20 MHz bandwidth mode only. |