1. FCC ID
  2. 2A9J4
  3. 2A9J4-3766R35434

FCC ID 2A9J4-3766R35434

KEY FOB

by Xiamen Hongfa Electroacoustic Co.,Ltd

Grantee Code: 2A9J4   Product Code: 3766R35434
Latest application date: 2025-12-17

FCC ID Device Details

FCC ID2A9J4-3766R35434
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A9J4
Product Code3766R35434
Applicant BusinessXiamen Hongfa Electroacoustic Co.,Ltd 🇨🇳
Related Domains hongfa.com hongfaamerica.com
Equipment ClassKEY FOB
Test FirmTUV Rheinland (Shenzhen) Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
433.92 MHzOriginal Equipment2025-12-17

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-06-15PDF 414.6 KB
Internal PhotosInternal Photos2026-06-15PDF 416.5 KB
External PhotosExternal Photos2026-06-15PDF 878.1 KB
ID Label and LocationID Label/Location Info2025-12-17PDF 100.5 KB
Test Setup PhotosTest Setup Photos2026-06-15PDF 344.7 KB
Test ReportTest Report2025-12-17PDF 1.8 MB
Attestation of US AgentAttestation Statements2025-12-17PDF 208.6 KB
Not Covered Entity Applicant AttestationAttestation Statements2025-12-17PDF 229.5 KB
Not Covered Equipment AttestationAttestation Statements2025-12-17PDF 236.8 KB
Agency LetterCover Letter(s)2025-12-17PDF 557.3 KB
Confidentiality LetterCover Letter(s)2025-12-17PDF 250.6 KB
Justification of AntennaCover Letter(s)2025-12-17PDF 116 KB
Variant Declaration LetterCover Letter(s)2025-12-17PDF 122.7 KB
RF Exposure InfoRF Exposure Info2025-12-17PDF 949.1 KB
Block Diagram Metadata onlyBlock DiagramPDF 20.4 KB
Schematics Metadata onlySchematicsPDF 455.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 101.1 KB

Application Information

Application IDBEIOR2K8NUP7ZFAre7vsRg==
Final Action Date2025-12-17
Application PurposeOriginal Equipment
Applicant FRN0033132507
Model3766R35434
Frequency Range433.92 MHz
Equipment ClassDXX - Part 15 Low Power Communication Device Transmitter
Device DescriptionKEY FOB
Responsible PartySherry Yang, tech@hongfa.com , 0086-592-6296307
Technical ContactYang Sherry, Xiamen Hongfa Electroacoustic Co., Ltd., tech@hongfa.com , 0086-592-6296307
Non-Technical ContactLawrence Xia, Hongfa America, Inc, Lawrence-Xia@hongfaamerica.com , 7146692888
Test FirmGina Yang, TUV Rheinland (Shenzhen) Co., Ltd., Gina.Yang@tuv.com , 8675582681497
TCB Emailtcb-hotline@tuv.com
TCB ScopeA1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices
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
BEIOR2K8NUP7ZFAre7vsRg==2025-12-17Original Equipment

Equipment Authorization

FrequencyRules
433.92 MHz15C

Grants

TCB Grant - Application BEIOR2K8NUP7ZFAre7vsRg==

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

  TUV Rheinland of North America, Inc.
1279 Quarry Lane Suite A
Pleasanton, CA 94566
Date of Grant: 12/17/2025

Application Dated: 12/17/2025
Xiamen Hongfa Electroacoustic Co.,Ltd
No.91-101, Sunban South Rd., Jimei North Ind.
Dist., Xiamen 361021,China
Xiamen,
China
 
Attention: Sherry Yang , Certification 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:  2A9J4-3766R35434
Name of Grantee:  Xiamen Hongfa Electroacoustic Co.,Ltd
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: KEY FOB
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 433.92  -  433.92