1. FCC ID
  2. 2BTC8
  3. 2BTC8-RF-DS91

FCC ID 2BTC8-RF-DS91

smart door lock

by Shenzhen Rongfu Tiancheng Industrial Co., Ltd.

Grantee Code: 2BTC8   Product Code: RFDS91
Latest application date: 2026-07-31

FCC ID Device Details

FCC ID2BTC8-RF-DS91
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BTC8
Product CodeRFDS91
Applicant BusinessShenzhen Rongfu Tiancheng Industrial Co., Ltd. 🇨🇳
Equipment Classsmart door lock
Test FirmGuangdong Global Testing Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-07-31

Exhibits

DocumentTypeAvailableFile
13_RF-DS91 Users ManualUsers Manual2026-07-31PDF 2.6 MB
09_RF-DS91 Internal PhotosInternal Photos2026-07-31PDF 2.3 MB
08_RF-DS91 External PhotosExternal Photos2026-07-31PDF 655.3 KB
07_RF-DS91 Label Sample and LocationID Label/Location Info2026-07-31PDF 183.1 KB
15_RF-DS91 Test Setup PhotosTest Setup Photos2026-07-31PDF 562.2 KB
14_RF-DS91 Test Report DTS BLE appendixTest Report2026-07-31PDF 1.4 MB
14_RF-DS91 Test Report DTS BLE r1Test Report2026-07-31PDF 1.3 MB
16_RF-DS91 Antenna SpecificationTest Report2026-07-31PDF 699.7 KB
02_RF-DS91 Covered Equipment Certification Attestation LetterAttestation Statements2026-07-31PDF 486.4 KB
03_RF-DS91 U.S. Agent Designation Attestation LetterAttestation Statements2026-07-31PDF 90.3 KB
04_RF-DS91 Authorization-Agent r1Cover Letter(s)2026-07-31PDF 434.6 KB
05_RF-DS91 Authorization-CTCover Letter(s)2026-07-31PDF 300.7 KB
06_RF-DS91 Long-Confidential RequestCover Letter(s)2026-07-31PDF 325.8 KB
17_RF-DS91 RF Exp InfoRF Exposure Info2026-07-31PDF 197.4 KB
11_RF-DS91 Block Diagram Metadata onlyBlock DiagramPDF 66.7 KB
12_RF-DS91 Schematics Metadata onlySchematicsPDF 62.5 KB
10_RF-DS91 Operational Description r1 Metadata onlyOperational DescriptionPDF 14 KB

Application Information

Application IDu7Y35WeDxfO4fownggHNug==
Final Action Date2026-07-31
Application PurposeOriginal Equipment
Applicant FRN0037684305
ModelRF-DS91
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device Descriptionsmart door lock
Responsible PartyWenchao Yang, 18718049568@139.com , +8613123730073
Non-Technical ContactMichael Chan, Global Product Services and Consultation LLC, cschanm@gmail.com , +1 626 366 4358
Test FirmShawn Wen, Guangdong Global Testing Technology Co., Ltd., qs04@gtggroup.com , 86-769-8507-5888
TCB EmailTcbadmin@compliancetesting.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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
u7Y35WeDxfO4fownggHNug==2026-07-31Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.0009315C

Grants

TCB Grant - Application u7Y35WeDxfO4fownggHNug==

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

  Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
Date of Grant: 07/31/2026

Application Dated: 07/31/2026
Shenzhen Rongfu Tiancheng Industrial Co., Ltd.
Area A,13th Floor,Building D,Huilongda Industrial
Park,Shilong Community,Shiyan Subdistrict,
Bao'an District,Shenzhen,Guangdong Province,
China
 
Attention: Wenchao Yang ,

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:  2BTC8-RF-DS91
Name of Grantee:  Shenzhen Rongfu Tiancheng Industrial Co., Ltd.
Equipment Class: Digital Transmission System
Notes: smart door lock
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.00093  

Power listed is conducted.