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 ID2AN3WM5STOPWATCH
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AN3W
Product CodeM5STOPWATCH
Applicant BusinessM5Stack Technology Co.,Ltd 🇨🇳
Related Domains m5stack.com iconsigh.com
Equipment ClassM5StopWatch
Test FirmShenzhen Accurate Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2412-2462 MHzOriginal Equipment2026-05-21

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-05-21PDF 1,022.8 KB
Internal PhotosInternal Photos2026-05-21PDF 2.1 MB
External PhotosExternal Photos2026-05-21PDF 731 KB
Label and Label LocationID Label/Location Info2026-05-21PDF 335 KB
Test Setup PhotosTest Setup Photos2026-05-21PDF 465.5 KB
Antenna SpecificationTest Report2026-05-21PDF 1.1 MB
SAR Test ReportRF Exposure Info2026-05-21PDF 1.7 MB
Test Report - BLETest Report2026-05-21PDF 2.8 MB
Test Report - WIFITest Report2026-05-21PDF 4.9 MB
Attestation LetterAttestation Statements2026-05-21PDF 32.5 KB
Attestation Letter-2.911(d)(5)(i)Attestation Statements2026-05-21PDF 28.1 KB
Attestation Letter-2.911(d)(5)(ii)Attestation Statements2026-05-21PDF 28.5 KB
US Agent Attestation LetterAttestation Statements2026-05-21PDF 104.4 KB
DoS LetterCover Letter(s)2026-05-21PDF 33.9 KB
FCC Agent Authorization LetterCover Letter(s)2026-05-21PDF 33.6 KB
FCC Confidentiality LetterCover Letter(s)2026-05-21PDF 31.9 KB
SAR Calibration Certificates Part 1RF Exposure Info2026-05-21PDF 4.4 MB
SAR Calibration Certificates Part 2RF Exposure Info2026-05-21PDF 5.9 MB
SAR EUT Test Position PhotosRF Exposure Info2026-05-21PDF 1.2 MB
SAR Return Loss & Impedance MeasurementRF Exposure Info2026-05-21PDF 453.6 KB
SAR Scan PlotsRF Exposure Info2026-05-21PDF 465.7 KB
SAR System CheckRF Exposure Info2026-05-21PDF 650.2 KB
Block Diagram Metadata onlyBlock DiagramPDF 57.4 KB
Schematics Metadata onlySchematicsPDF 737.2 KB
Operation Description Metadata onlyOperational DescriptionPDF 266.2 KB

Application Information

Application IDdPzc5YYwddQtcdArRRGhUg==
Final Action Date2026-05-21
Application PurposeOriginal Equipment
Applicant FRN0026912345
ModelM5STOPWATCH
Frequency Range2412-2462 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionM5StopWatch
Responsible PartyJimmy Lai, JimmyLai@M5Stack.com , 13509230623
Non-Technical ContactBenjamin Kaur, Iconsigh, benjamin.kaur@iconsigh.com , (408) 320-9867
Test FirmHazel Li, Shenzhen Accurate Technology Co., Ltd., qa@atc-lab.com , 86-755-2650-3290
TCB Emailbacl.regulatory@baclcorp.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
dPzc5YYwddQtcdArRRGhUg==2026-05-21Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.00315C
2412-2462 MHz0.09215C

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.