FCC ID 2AN3WM5STOPWATCH
M5StopWatch
by M5Stack Technology Co.,Ltd
Grantee Code: 2AN3W Product Code: M5STOPWATCH
Latest application date: 2026-05-21
FCC ID Device Details
| FCC ID | 2AN3WM5STOPWATCH |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AN3W |
| Product Code | M5STOPWATCH |
| Applicant Business | M5Stack Technology Co.,Ltd 🇨🇳 |
| Related Domains | |
| Equipment Class | M5StopWatch |
| Test Firm | Shenzhen Accurate Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-05-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-05-21 | PDF 1,022.8 KB |
| Internal Photos | Internal Photos | 2026-05-21 | PDF 2.1 MB |
| External Photos | External Photos | 2026-05-21 | PDF 731 KB |
| Label and Label Location | ID Label/Location Info | 2026-05-21 | PDF 335 KB |
| Test Setup Photos | Test Setup Photos | 2026-05-21 | PDF 465.5 KB |
| Antenna Specification | Test Report | 2026-05-21 | PDF 1.1 MB |
| SAR Test Report | RF Exposure Info | 2026-05-21 | PDF 1.7 MB |
| Test Report - BLE | Test Report | 2026-05-21 | PDF 2.8 MB |
| Test Report - WIFI | Test Report | 2026-05-21 | PDF 4.9 MB |
| Attestation Letter | Attestation Statements | 2026-05-21 | PDF 32.5 KB |
| Attestation Letter-2.911(d)(5)(i) | Attestation Statements | 2026-05-21 | PDF 28.1 KB |
| Attestation Letter-2.911(d)(5)(ii) | Attestation Statements | 2026-05-21 | PDF 28.5 KB |
| US Agent Attestation Letter | Attestation Statements | 2026-05-21 | PDF 104.4 KB |
| DoS Letter | Cover Letter(s) | 2026-05-21 | PDF 33.9 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2026-05-21 | PDF 33.6 KB |
| FCC Confidentiality Letter | Cover Letter(s) | 2026-05-21 | PDF 31.9 KB |
| SAR Calibration Certificates Part 1 | RF Exposure Info | 2026-05-21 | PDF 4.4 MB |
| SAR Calibration Certificates Part 2 | RF Exposure Info | 2026-05-21 | PDF 5.9 MB |
| SAR EUT Test Position Photos | RF Exposure Info | 2026-05-21 | PDF 1.2 MB |
| SAR Return Loss & Impedance Measurement | RF Exposure Info | 2026-05-21 | PDF 453.6 KB |
| SAR Scan Plots | RF Exposure Info | 2026-05-21 | PDF 465.7 KB |
| SAR System Check | RF Exposure Info | 2026-05-21 | PDF 650.2 KB |
| Block Diagram Metadata only | Block Diagram | PDF 57.4 KB | |
| Schematics Metadata only | Schematics | PDF 737.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 266.2 KB |
Application Information
| Application ID | dPzc5YYwddQtcdArRRGhUg== |
|---|---|
| Final Action Date | 2026-05-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0026912345 |
| Model | M5STOPWATCH |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | M5StopWatch |
| Responsible Party | Jimmy Lai, JimmyLai@M5Stack.com |
| Non-Technical Contact | Benjamin Kaur, Iconsigh, benjamin.kaur@iconsigh.com |
| Test Firm | Hazel Li, Shenzhen Accurate Technology Co., Ltd., qa@atc-lab.com |
| TCB Email | bacl.regulatory@baclcorp.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 |
|---|---|---|
| dPzc5YYwddQtcdArRRGhUg== | 2026-05-21 | Original Equipment |
Grants
TCB Grant - Application dPzc5YYwddQtcdArRRGhUg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 05/21/2026 Application Dated: 05/21/2026 |
| M5Stack Technology Co.,Ltd |
| Block A10, Expo Bay South Coast, |
| Fuhai Street, Bao'an District, |
| Shenzhen,Guangdong, China |
| Attention: Jimmy Lai , |
| 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: | 2AN3WM5STOPWATCH |
| Name of Grantee: | M5Stack Technology Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | M5StopWatch |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.003 | |||
| 15C | 2412.0 - 2462.0 | 0.092 |
| Output power listed is peak conducted. The device supports 20 MHz and 40 MHz bandwidth modes. The antenna(s) used for this transmitter must not be co-located with any other transmitters, except in accordance with FCC multi-transmitter product procedures. SAR compliance for body-worn operating conditions is restricted to belt clips, holsters or similar accessories that have no metallic component in the assembly. The highest reported SAR for body-worn accessory transmission exposure conditions is 0.22 W/kg. |