FCC ID 2BQWU-DS3
Doorbell Chime
by Hangzhou Huacheng Software Technology Co., Ltd.
Grantee Code: 2BQWU Product Code: DS3
Latest application date: 2026-04-28
FCC ID Device Details
| FCC ID | 2BQWU-DS3 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BQWU |
| Product Code | DS3 |
| Applicant Business | Hangzhou Huacheng Software Technology Co., Ltd. 🇨🇳 |
| Related Domains | |
| Equipment Class | Doorbell Chime |
| Test Firm | TUV SUD Asia Ltd. Taiwan Branch |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-04-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| External Photos | External Photos | 2026-04-28 | PDF 1.8 MB |
| Label & Label Location | ID Label/Location Info | 2026-04-28 | PDF 137.1 KB |
| Antenna Specification | Test Report | 2026-04-28 | PDF 792.7 KB |
| Test Report 1 | Test Report | 2026-04-28 | PDF 1.9 MB |
| Test Report 2 | Test Report | 2026-04-28 | PDF 5.2 MB |
| Attestation Statements Part 2.911 i ii | Attestation Statements | 2026-04-28 | PDF 215.9 KB |
| Attestation Statements US Agent | Attestation Statements | 2026-04-28 | PDF 289 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-04-28 | PDF 180.6 KB |
| POA | Cover Letter(s) | 2026-04-28 | PDF 184.7 KB |
| WIFI Channel 12 and 23 Declaration Letter | Cover Letter(s) | 2026-04-28 | PDF 309.3 KB |
| MPE report | RF Exposure Info | 2026-04-28 | PDF 1.2 MB |
| UserManual Metadata only | Users Manual | 2026-10-24 | PDF 2.9 MB |
| Internal Photos Metadata only | Internal Photos | 2026-10-24 | PDF 1.6 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2026-10-24 | PDF 751.6 KB |
| Block Diagram device Metadata only | Block Diagram | PDF 41.8 KB | |
| Block Diagram module Metadata only | Block Diagram | PDF 101.4 KB | |
| PCB Metadata only | Schematics | PDF 1.4 MB | |
| sch device Metadata only | Schematics | PDF 409.6 KB | |
| sch module Metadata only | Schematics | PDF 129.6 KB | |
| Operational Description Metadata only | Operational Description | PDF 169.5 KB |
Application Information
| Application ID | 9tuJcsTOnubZEl0U8PAl9w== |
|---|---|
| Final Action Date | 2026-04-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037281912 |
| Model | DS3 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Doorbell Chime |
| Responsible Party | Jinle Hu, jinle.hu@imou.com |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com |
| Test Firm | Max Yao, TUV SUD Asia Ltd. Taiwan Branch, max.yao@tuvsud.com |
| TCB Email | TEI@timcoengr.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| 9tuJcsTOnubZEl0U8PAl9w== | 2026-04-28 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2412-2462 MHz | 0.182 | 15C |
Grants
TCB Grant - Application 9tuJcsTOnubZEl0U8PAl9w==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 04/28/2026 Application Dated: 04/28/2026 |
| Hangzhou Huacheng Software Technology Co., Ltd. |
| 15th Floor, Building 3, No. 582, Liye Road, |
| Changhe Street, Binjiang District |
| Hangzhou, China |
| Attention: Alex Xu , |
| 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: | 2BQWU-DS3 |
| Name of Grantee: | Hangzhou Huacheng Software Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Doorbell Chime |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.182 |
| Output power listed is the maximum conducted output power. Device must be operated to provide a separation distance of at least 20cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |