FCC ID 2A3ZO-250031B
Sleep Support Red Light & Speaker
by Hong Kong Etech Groups Ltd.
Grantee Code: 2A3ZO Product Code: 250031B
Latest application date: 2026-07-26
FCC ID Device Details
| FCC ID | 2A3ZO-250031B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A3ZO |
| Product Code | 250031B |
| Applicant Business | Hong Kong Etech Groups Ltd. 🇨🇳 |
| Related Domains |  etechgroups.com  fccusagent.com |
| Equipment Class | Sleep Support Red Light & Speaker |
| Test Firm | Shenzhen EU Testing Laboratory Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 07_MA044-BKA Label Sample and Location r1 | ID Label/Location Info | 2026-07-26 | PDF 237.4 KB |
| 14_MA044-BKA Test Report DSS | Test Report | 2026-07-26 | PDF 3.6 MB |
| 16_MA044-BKA Antenna Specification | Test Report | 2026-07-26 | PDF 1.1 MB |
| 02_MA044-BKA Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-07-26 | PDF 45.6 KB |
| 03_MA044-BKA U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-07-26 | PDF 185.1 KB |
| 04_MA044-BKA Authorization-Agent | Cover Letter(s) | 2026-07-26 | PDF 63.5 KB |
| 05_MA044-BKA Authorization-CT | Cover Letter(s) | 2026-07-26 | PDF 75.2 KB |
| 06A_MA044-BKA Short-Confidential Request | Cover Letter(s) | 2026-07-26 | PDF 48.4 KB |
| 06_MA044-BKA Long-Confidential Request | Cover Letter(s) | 2026-07-26 | PDF 66.9 KB |
| 18_MA044-BKA Models Difference Declaration | Cover Letter(s) | 2026-07-26 | PDF 66.2 KB |
| 17_MA044-BKA RF Exp Info | RF Exposure Info | 2026-07-26 | PDF 144.2 KB |
| 13_MA044-BKA Users Manual r1 Metadata only | Users Manual | 2027-01-20 | PDF 1.1 MB |
| 09_MA044-BKA Internal Photos Metadata only | Internal Photos | 2027-01-20 | PDF 1.2 MB |
| 08_MA044-BKA External Photos Metadata only | External Photos | 2027-01-20 | PDF 592.7 KB |
| 15_MA044-BKA Test Setup Photos Metadata only | Test Setup Photos | 2027-01-20 | PDF 3.4 MB |
| 11_MA044-BKA Block Diagram Metadata only | Block Diagram | PDF 109 KB | |
| 12_MA044-BKA Schematics Metadata only | Schematics | PDF 99 KB | |
| 10_MA044-BKA Operational Description Metadata only | Operational Description | PDF 60.8 KB |
Application Information
| Application ID | diI1iQW1SoDgBCvZsdcGbQ== |
|---|---|
| Final Action Date | 2026-07-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031746696 |
| Model | 250031B |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Sleep Support Red Light & Speaker |
| Responsible Party | Haixin Chen, chinaetech65@etechgroups.com , +86-18607685996 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, support@fccusagent.com , (708) 571-3148 |
| Test Firm | Sally Zhang, Shenzhen EU Testing Laboratory Limited, sally.zhang@eu-test.com  , (86)-18824580176 |
| TCB Email | TCBadmin@compliancetesting.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 |
|---|---|---|
| diI1iQW1SoDgBCvZsdcGbQ== | 2026-07-26 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0014 | 15C |
Grants
TCB Grant - Application diI1iQW1SoDgBCvZsdcGbQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 07/26/2026 Application Dated: 07/27/2026 |
| Hong Kong Etech Groups Ltd. |
| 16/F, Block C,2nd Phase of Central Avenue,Haihong |
| Industrial Area,Xixiang,Baoan, |
| Shenzhen, China |
| Attention: Haixin Chen , |
| 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: | 2A3ZO-250031B |
| Name of Grantee: | Hong Kong Etech Groups Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Sleep Support Red Light & Speaker |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0014 |
| Power listed is conducted. |