FCC ID 2BRWEZ400TWP

Sleep Tracker

by KNIGHTAI TECH LIMITED

Grantee Code: 2BRWE   Product Code: Z400TWP
Latest application date: 2025-11-18

FCC ID Device Details

FCC ID2BRWEZ400TWP
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BRWE
Product CodeZ400TWP
Applicant BusinessKNIGHTAI TECH LIMITED
Related Domains mambtech.com
Equipment ClassSleep Tracker
Test FirmCentre Testing International Group Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2412-2462 MHzOriginal Equipment2025-11-18

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-05-17PDF 4.4 MB
Internal PhotosInternal Photos2026-05-17PDF 1.3 MB
External PhotosExternal Photos2026-05-17PDF 939.9 KB
Label & LocationID Label/Location Info2025-11-18PDF 333.1 KB
ANT Setup PhotosTest Setup Photos2026-05-17PDF 201.3 KB
Test Setup PhotosTest Setup Photos2026-05-17PDF 1.8 MB
ANT test reportTest Report2025-11-18PDF 413.9 KB
Part 15C 15.247 2.4G WI-FI reportTest Report2025-11-18PDF 2.3 MB
Part 15C 15.247 Bluetooth LETest Report2025-11-18PDF 3.6 MB
appendix 2.4G WIFI Part1Test Report2025-11-18PDF 4.7 MB
appendix 2.4G WIFI Part2Test Report2025-11-18PDF 4.7 MB
appendix 2.4G WIFI Part3Test Report2025-11-18PDF 1.5 MB
appendix Bluetooth LETest Report2025-11-18PDF 3 MB
Attestation Statements Part 2.911 i ii part1Attestation Statements2025-11-18PDF 245 KB
Attestation Statements Part 2.911 i ii part2Attestation Statements2025-11-18PDF 160.7 KB
Attestation Statements US agent for serviceAttestation Statements2025-11-18PDF 326.6 KB
Confidentiality LetterCover Letter(s)2025-11-18PDF 293.6 KB
POACover Letter(s)2025-11-18PDF 293.9 KB
SDoC Declatation LetterCover Letter(s)2025-11-18PDF 197.7 KB
difference declarationCover Letter(s)2025-11-18PDF 200.9 KB
Part 1 2 SAR exclusion report Metadata onlyRF Exposure Info2025-11-18PDF 358.2 KB
Part 1 2 SAR exclusion report revRF Exposure Info2025-11-18PDF 519.5 KB
Block Diagram Metadata onlyBlock DiagramPDF 297.2 KB
SCH Metadata onlySchematicsPDF 1.3 MB
Operational Description Metadata onlyOperational DescriptionPDF 73.4 KB

Application Information

Application IDfbdKZG20HArnv2npX1NHLQ==
Final Action Date2025-11-18
Application PurposeOriginal Equipment
Applicant FRN0037443967
ModelZ400TWP
Frequency Range2412-2462 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionSleep Tracker
Responsible PartyJieling Cai, jollytsai@mambtech.com , 18682353992
Test FirmVicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com , 86-755-3368-1398
TCB EmailTEI@timcoengr.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
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
fbdKZG20HArnv2npX1NHLQ==2025-11-18Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.001315C
2412-2462 MHz0.02315C

Grants

TCB Grant - Application fbdKZG20HArnv2npX1NHLQ==

TCB GRANT OF EQUIPMENT
AUTHORIZATION
TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 11/18/2025

Application Dated: 11/18/2025
KNIGHTAI TECH LIMITED
RmS068, 2/F, The capilal,
61-65 Chatham Road, South
Tsim Sha Tsui,
Hong Kong
 
Attention: Jieling Cai , PM

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:  2BRWEZ400TWP
Name of Grantee:  KNIGHTAI TECH LIMITED
Equipment Class: Digital Transmission System
Notes: Sleep Tracker
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 2402.0  -  2480.0 0.0013  
15C 2412.0  -  2462.0 0.023  

Output Power listed is the maximum conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End-users must be informed of operating requirements for satisfying RF exposure compliance. This device supports 20 and 40 MHz bandwidth modes.