1. FCC ID
  2. 2BTNU
  3. 2BTNU-KC-640

FCC ID 2BTNU-KC-640

WIRELESS EARPHONE

by BALAJI MICROTECHNOLOGIES PRIVATE LIMITED

Grantee Code: 2BTNU   Product Code: KC640
Latest application date: 2026-02-12

FCC ID Device Details

FCC ID2BTNU-KC-640
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BTNU
Product CodeKC640
Applicant BusinessBALAJI MICROTECHNOLOGIES PRIVATE LIMITED 🇮🇳
Related Domains balaji-microtechnologies.com
Equipment ClassWIRELESS EARPHONE
Test FirmGuangzhou LCS Compliance Testing Laboratory Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-02-12

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-08-12PDF 2.7 MB
Internal photosInternal Photos2026-08-12PDF 2.7 MB
External photosExternal Photos2026-08-12PDF 895.7 KB
Label and LocationID Label/Location Info2026-02-12PDF 237.4 KB
Test Setup PhotosTest Setup Photos2026-08-12PDF 354 KB
Antenna specificationsTest Report2026-02-12PDF 548.8 KB
Appendix A Test Data for BTTest Report2026-02-12PDF 2.7 MB
FCCReport BTTest Report2026-02-12PDF 1.6 MB
2.911 (d)(5)(i) Certification Equipment Type v1.2Attestation Statements2026-02-12PDF 101.7 KB
2.911 (d)(5)(ii) Certificiation Applicant v1.3Attestation Statements2026-02-12PDF 98.2 KB
2.911 (d)(7) US agentAttestation Statements2026-02-12PDF 368.3 KB
FCC Short & Long Term Confidentiality Request Rev4.1Cover Letter(s)2026-02-12PDF 113.4 KB
Letter of Authorization Rev 1.0Cover Letter(s)2026-02-12PDF 72.2 KB
RFExposureRF Exposure Info2026-02-12PDF 218 KB
Block Diagram Metadata onlyBlock DiagramPDF 85.5 KB
SCH Metadata onlySchematicsPDF 100.3 KB
Operation Description Metadata onlyOperational DescriptionPDF 79.6 KB

Application Information

Application IDU9hCJJco5RogdwcZcV8qfw==
Final Action Date2026-02-12
Application PurposeOriginal Equipment
Applicant FRN0037717568
ModelKC-640
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWIRELESS EARPHONE
Responsible PartyNITIN AGGARWAL, nitin.aggarwal@balaji-microtechnologies.com , +91-8800338409
Technical ContactBALAJI MICROTECHNOLOGIES PRIVATE, nitin.aggarwal@balaji-microtechnologies.com
Non-Technical ContactCindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com , 6269105808
Test FirmGavin Liang, Guangzhou LCS Compliance Testing Laboratory Ltd, gavin.liang@lcs-cert.com , 86-20-39166689
TCB Emailcertification@micomlabs.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
U9hCJJco5RogdwcZcV8qfw==2026-02-12Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.00115C

Grants

TCB Grant - Application U9hCJJco5RogdwcZcV8qfw==

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

  MiCOM Labs
575 Boulder Court
Pleasanton, CA 94566
Date of Grant: 02/12/2026

Application Dated: 02/12/2026
BALAJI MICROTECHNOLOGIES PRIVATE LIMITED
NO# C-79, UPPER GROUND FLOOR, DDA SHEDS
OKHLA INDUSTRIAL AREA, OKHLA PHASE-1,
NEW DELHI, 110020
India
 
Attention: NITIN AGGARWAL , MR.

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:  2BTNU-KC-640
Name of Grantee:  BALAJI MICROTECHNOLOGIES PRIVATE LIMITED
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WIRELESS EARPHONE
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.001  

Power listed is the maximum conducted output power.