Door Sensor — by Changhong Research Labs Inc.
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FCC ID 2BXYIHDSB105
Device Details
FCC ID 2BXYIHDSB105 Grantee Code 2BXYI Product Code HDSB105 Applicant Changhong Research Labs Inc. Address Milpitas, CA, 95035, United States Equipment Class DTS - Digital Transmission System Device Description Door Sensor Application Purpose Original Equipment Grant Date 2026-09-18 Frequency Range 2405-2480 MHz Operating Frequencies
Frequency Range Application Purpose Final Action Date
2405.00000000–2480.00000000 MHz
Original Equipment
2026-09-18
Exhibits (17)
View on FCC.gov ↗
Document Type Available File
Us_Agent
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 174.8 KB
Attestation Statement
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 439.3 KB
Kaspersky Statement
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 682.2 KB
TCB_validation_US_agent_process
Attestation Statements
2026-09-18
ADOBE ACROBAT PDF 1.2 MB
Block Diagram
Block Diagram
ADOBE ACROBAT PDF 61.3 KB
Confidentiality
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 483.4 KB
Letter Authorization
Cover Letter(s)
2026-09-18
ADOBE ACROBAT PDF 217.8 KB
External photos
External Photos
2026-09-18
ADOBE ACROBAT PDF 2.9 MB
ID label and location
ID Label/Location Info
2026-09-18
ADOBE ACROBAT PDF 364.6 KB
Internal photos
Internal Photos
2026-09-18
ADOBE ACROBAT PDF 3.7 MB
Operational Description
Operational Description
ADOBE ACROBAT PDF 269.1 KB
RF Exposure
RF Exposure Info
2026-09-18
ADOBE ACROBAT PDF 439.2 KB
Schematics
Schematics
ADOBE ACROBAT PDF 706.8 KB
Test report
Test Report
2026-09-18
ADOBE ACROBAT PDF 4.6 MB
Antenna Specification
Test Report
2026-09-18
ADOBE ACROBAT PDF 821.9 KB
Test Setup photo
Test Setup Photos
2026-09-18
ADOBE ACROBAT PDF 3.8 MB
User manual
Users Manual
2026-09-18
ADOBE ACROBAT PDF 210.8 KB
Application Information
Application ID AnpX9CvjbjSxd5kZljdCBQ== Final Action Date 2026-09-18 Application Purpose Original Equipment Model HDSB105 Frequency Range 2405-2480 MHz Equipment Class DTS - Digital Transmission System Device Description Door Sensor Responsible Party Zedong Chen, zedong.chen@changhong.com, 0816-2416863 Technical Contact Tina Huang, Shenzhen Microtest Co., Ltd, tinahuang@51mti.com, +86-755 88850135 Non-Technical Contact Zedong Chen, Changhong Research Labs Inc., zedong.chen@changhong.com, 0 816-241 6863 Test Firm Tina Huang, Shenzhen Microtest Co., Ltd., tinahuang@51mti.com, 0755-88850135-1132 TCB Email elabscert@applus.com TCB Scope A4: UNII devices & low power transmitters using spread spectrum techniques Long-Term Confidentiality Yes Short-Term Confidentiality No 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
AnpX9CvjbjSxd5kZljdCBQ==
2026-09-18
Original Equipment
Equipment Authorization
Frequency Output Tolerance Emission Designator Rules
2405.00000000–2480.00000000 MHz
0.0048000
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: 09/18/2026
Changhong Research Labs Inc.
920 HILLVIEW COURT, SUITE 195,
Milpitas, CA 95035
Attention: Zedong Chen , QA Manager
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:
2BXYIHDSB105
Name of Grantee:
Changhong Research Labs Inc.
Equipment Class:
Digital Transmission System
Notes:
Door Sensor
Grant Notes
FCC Rule Parts
Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C
2405.0
-
2480.0
0.0048
Output power listed is conducted.The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End-users must be provided with operating procedures for satisfying RF exposure compliance.
Regulatory Testing from Start to Certificate
