FCC ID 2A4TM-0259
Wireless Door Bell
by Shenzhen Yufeng Technology Co., Ltd.
Grantee Code: 2A4TM Product Code: 0259
Latest application date: 2026-02-03
FCC ID Device Details
| FCC ID | 2A4TM-0259 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A4TM |
| Product Code | 0259 |
| Applicant Business | Shenzhen Yufeng Technology Co., Ltd. 🇨🇳 |
| Related Domains |  dl-cert.com |
| Equipment Class | Wireless Door Bell |
| Test Firm | Shenzhen GUOREN Certification Technology Service C |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 433.91 MHz | Original Equipment | 2026-02-03 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-02-03 | PDF 380.2 KB |
| Internal Photos | Internal Photos | 2026-02-03 | PDF 3.7 MB |
| External Photos | External Photos | 2026-02-03 | PDF 1.5 MB |
| label and location | ID Label/Location Info | 2026-02-03 | PDF 680.5 KB |
| Test Setup Photos | Test Setup Photos | 2026-02-03 | PDF 1.9 MB |
| Antenna spec | Test Report | 2026-02-03 | PDF 109.3 KB |
| GRCTR260104046-01 | Test Report | 2026-02-03 | PDF 3.2 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-02-03 | PDF 129.3 KB |
| USA-LocalRepLetter_V1.1 -2A4TM-0259 | Attestation Statements | 2026-02-03 | PDF 506.2 KB |
| Declaration Letter of Model DiffereDeclaration Letter of Model Differencence Metadata only | Cover Letter(s) | 2026-02-03 | PDF 85.6 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2026-02-03 | PDF 85.6 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-02-03 | PDF 112.7 KB |
| GRCTR260104046-02-RF Exposure | RF Exposure Info | 2026-02-03 | PDF 336 KB |
| Block Diagram Metadata only | Block Diagram | PDF 31.4 KB | |
| Schematic Metadata only | Schematics | PDF 158.4 KB | |
| Operation Description Metadata only | Operational Description | PDF 283.9 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 87.6 KB |
Application Information
| Application ID | V032tRVV7lrPGpXgQsN/Ug== |
|---|---|
| Final Action Date | 2026-02-03 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032003394 |
| Model | 0259 |
| Frequency Range | 433.91 MHz |
| Equipment Class | DSC - Part 15 Security/Remote Control Transmitter |
| Device Description | Wireless Door Bell |
| Responsible Party | Dean Guo, Dean@dl-cert.com , 13823168774 |
| Non-Technical Contact | Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com  , (626) 910-5808 |
| Test Firm | Sam Wang, Shenzhen GUOREN Certification Technology Service C, sam.wang@grcert.com  , 86-755-23408306 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| 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 |
|---|---|---|
| V032tRVV7lrPGpXgQsN/Ug== | 2026-02-03 | Original Equipment |
Equipment Authorization
| Frequency | Rules |
|---|---|
| 433.91 MHz | 15.231 |
Grants
TCB Grant - Application V032tRVV7lrPGpXgQsN/Ug==
| 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: 02/03/2026 Application Dated: 02/03/2026 |
| Shenzhen Yufeng Technology Co., Ltd. |
| Second Floor, Building D, South Industrial |
| Zone, Laowei Village, Shuidou, |
| Longhua new district, Shenzhen, China, China |
| Attention: Dean Guo , |
| 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: | 2A4TM-0259 |
| Name of Grantee: | Shenzhen Yufeng Technology Co., Ltd. |
| Equipment Class: | Part 15 Security/Remote Control Transmitter |
| Notes: | Wireless Door Bell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15.231 | 433.91 - 433.91 |