FCC ID 2BR43-M28S
Smart Visual Doorbell
by Dongguan Yuaohong Technology Co., LTD
Grantee Code: 2BR43 Product Code: M28S
Latest application date: 2026-06-29
FCC ID Device Details
| FCC ID | 2BR43-M28S |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BR43 |
| Product Code | M28S |
| Applicant Business | Dongguan Yuaohong Technology Co., LTD 🇨🇳 |
| Related Domains |  lobos-lowa.com |
| Equipment Class | Smart Visual Doorbell |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-06-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-06-29 | PDF 1.2 MB |
| Internal Photographs | Internal Photos | 2026-06-29 | PDF 700.4 KB |
| External Photos | External Photos | 2026-06-29 | PDF 688.7 KB |
| Label&Label location | ID Label/Location Info | 2026-06-29 | PDF 2.1 MB |
| Test Setup | Test Setup Photos | 2026-06-29 | PDF 418.8 KB |
| Antenna data sheet | Test Report | 2026-06-29 | PDF 812.5 KB |
| CISRR26061115601_47 CFR Part 15.247 REV1.0 | Test Report | 2026-06-29 | PDF 2.6 MB |
| CISRR26061115601_47 CFR Part 15.247 REV2.0 | Test Report | 2026-06-29 | PDF 4.7 MB |
| CISRR26061115601_47 CFR Part 15.247_1 | Test Report | 2026-06-29 | PDF 2.9 MB |
| CISRR26061115601_47 CFR Part 15.247_2 | Test Report | 2026-06-29 | PDF 4.4 MB |
| USA-CoveredEquipmentLetter-Combined | Attestation Statements | 2026-06-29 | PDF 84 KB |
| USA-Local Rep Letter-M28S | Attestation Statements | 2026-06-29 | PDF 43.3 KB |
| Letter of Model Difference | Cover Letter(s) | 2026-06-29 | PDF 109.6 KB |
| USA-ConfidentialityRequestLetter | Cover Letter(s) | 2026-06-29 | PDF 86.2 KB |
| CISRR26061115602_RF Exposure Evaluation FCC Part2.1093 | RF Exposure Info | 2026-06-29 | PDF 171.4 KB |
| CISRR26061115602_RF Exposure Evaluation FCC Part2.1093 REV1.0 | RF Exposure Info | 2026-06-29 | PDF 171.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 11.3 KB | |
| Schematic Metadata only | Schematics | PDF 854.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 99.5 KB | |
| USA-DueDigilenceLetter Metadata only | Operational Description | PDF 111.1 KB |
Application Information
| Application ID | mU4Py5tDR9CPK6TIQ5dbng== |
|---|---|
| Final Action Date | 2026-06-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037076445 |
| Model | M28S |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Smart Visual Doorbell |
| Responsible Party | Wanhong Zou, 251849822@qq.com  , 8617676445231 |
| Technical Contact | Hans Hu, Shenzhen Bangce Testing Technology Co., Ltd., huzhiqiang@cis-cn.net  , 15818730309 |
| Non-Technical Contact | Harley Li, LOBOS IOWA INC, info@lobos-lowa.com , +1 8188180538 |
| Test Firm | Hans Hu, Shenzhen Bangce Testing Technology Co. , Ltd., huzhiqiang@cis-cn.net , +86 0158 1873 0309 |
| 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 |
| 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 |
|---|---|---|
| mU4Py5tDR9CPK6TIQ5dbng== | 2026-06-29 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2412-2462 MHz | 0.0036 | 15C |
Grants
TCB Grant - Application mU4Py5tDR9CPK6TIQ5dbng==
| 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: 06/29/2026 Application Dated: 06/26/2026 |
| Dongguan Yuaohong Technology Co., LTD |
| Room 902, Building 2, No. 23, Dalingshan Section, |
| Guanchang Road, Dalingshan Town, |
| Dongguan City, Guangdong Province,, China |
| Attention: Wanhong Zou , 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: | 2BR43-M28S |
| Name of Grantee: | Dongguan Yuaohong Technology Co., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Visual Doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.0036 |
| Power listed is maximum conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. This device supports 20MHz and 40MHz bandwidth modes. |