WIRELESS TWS EARBUDS — by Linden Holdings II. LLC, an Iowa limited liability company
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FCC ID 2BXCT-89044CUS0626
Device Details
FCC ID 2BXCT-89044CUS0626 Grantee Code 2BXCT Product Code 89044CUS0626 Applicant Linden Holdings II. LLC, an Iowa limited liability company Address Cedar Rapids, IA, 52404, United States Equipment Class DSS - Part 15 Spread Spectrum Transmitter Device Description WIRELESS TWS EARBUDS Application Purpose Original Equipment Grant Date 2026-09-10 Frequency Range 2402-2480 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
2402.00000000–2480.00000000 MHz
Original Equipment
2026-09-10
Exhibits (17)
View on FCC.gov ↗
Document Type Available File
Us_Agent
Attestation Statements
2026-09-10
ADOBE ACROBAT PDF 57.8 KB
Attestation Statement
Attestation Statements
2026-09-10
ADOBE ACROBAT PDF 120 KB
Kaspersky Statement
Attestation Statements
2026-09-10
ADOBE ACROBAT PDF 172.4 KB
TCB_validation_US_agent_process
Attestation Statements
2026-09-10
ADOBE ACROBAT PDF 1.1 MB
Block Diagram
Block Diagram
ADOBE ACROBAT PDF 29.4 KB
Confidentiality
Cover Letter(s)
2026-09-10
ADOBE ACROBAT PDF 137.6 KB
Letter Authorization
Cover Letter(s)
2026-09-10
ADOBE ACROBAT PDF 54.5 KB
External photos
External Photos
2027-03-09
ADOBE ACROBAT PDF 1.7 MB
ID label and location
ID Label/Location Info
2026-09-10
ADOBE ACROBAT PDF 1.4 MB
Internal photos
Internal Photos
2027-03-09
ADOBE ACROBAT PDF 1.5 MB
Operational Description
Operational Description
ADOBE ACROBAT PDF 52.3 KB
RF Exposure
RF Exposure Info
2026-09-10
ADOBE ACROBAT PDF 118.2 KB
Schematics
Schematics
ADOBE ACROBAT PDF 40.2 KB
Test report
Test Report
2026-09-10
ADOBE ACROBAT PDF 3.5 MB
Antenna Specification
Test Report
2026-09-10
ADOBE ACROBAT PDF 753 KB
Test Setup photo
Test Setup Photos
2027-03-09
ADOBE ACROBAT PDF 3.5 MB
User manual
Users Manual
2027-03-09
ADOBE ACROBAT PDF 1.4 MB
Application Information
Application ID PZFXJXZJVZRvA4TDqPyIoA== Final Action Date 2026-09-10 Application Purpose Original Equipment Model 89044CUS0626 Frequency Range 2402-2480 MHz Equipment Class DSS - Part 15 Spread Spectrum Transmitter Device Description WIRELESS TWS EARBUDS Responsible Party Ron Luo, Austin@shopcjglobal.com, 319 294 3734 Technical Contact Sally Zhang, Shenzhen EU Testing Laboratory Limited, sally.zhang@eu-test.com, (86)-18824580176 Non-Technical Contact Ron Luo, Linden Holdings II. LLC, an Iowa limited liability, Austin@shopcjglobal.com, 319-294-3734 Test Firm Sally Zhang, Shenzhen EU Testing Laboratory Limited, sally.zhang@eu-test.com, (86)-18824580176 TCB Email elabscert@applus.com TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques Long-Term Confidentiality Yes Short-Term Confidentiality Yes Short-Term Release Date 03/09/2027 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 (1)
Application ID Date Purpose
PZFXJXZJVZRvA4TDqPyIoA==
2026-09-10
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
2402.00000000–2480.00000000 MHz
0.0012000
15C
Grants
TCB
GRANT OF EQUIPMENT
AUTHORIZATIONTCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:
LGAI Technological Center S.A. (APPLUS)
Ronda de la Font del Carme, s/n <BR>P.O. Box 08193,
Barcelona,
Spain
Date of Grant: 09/10/2026
Linden Holdings II. LLC, an Iowa limited liability company
9300 Earhart Lane, SW,
Cedar Rapids, IA 52404
Attention: Ron Luo , Sales
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:
2BXCT-89044CUS0626
Name of Grantee:
Linden Holdings II. LLC, an Iowa limited liability company
Equipment Class:
Part 15 Spread Spectrum Transmitter
Notes:
WIRELESS TWS EARBUDS
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
2402.0
-
2480.0
0.0012
Output power listed is conducted.