1. FCC ID
  2. 2BTC8
  3. 2BTC8-RF-DS91-BT
  4. Long term Confidentiality Letter

RFDS91BT smart door lock Cover Letter(s) - FCC ID 2BTC8-RF-DS91-BT

FCC ID 2BTC8-RF-DS91-BT

Long term Confidentiality Letter

smart door lock

by Shenzhen Rongfu Tiancheng Industrial Co., Ltd.

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Document Details

FCC ID2BTC8-RF-DS91-BT
Document ID9548316
Document TypeCover Letter(s)
DescriptionLong term Confidentiality Letter
ApplicantShenzhen Rongfu Tiancheng Industrial Co., Ltd.
Equipment Classsmart door lock
Product CodeRFDS91BT
Application IDC/IPAqW+FRhrjCSFoq7RIA==
Application PurposeOriginal Equipment
Application Date2026-08-11
Frequency Range2402-2480 MHz
FRN0037684305
Test FirmGuangdong Global Testing Technology Co., Ltd.
Certified ByWenchao Yang
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceNo
Submitted2026-08-11
Available2026-08-11
Pages1
File TypeAdobe Acrobat PDF
File Size334369
File SHA-256f251c6938105e468c487bf0d04ab837fd52cb016c77b95335cdef9bcbb528c03
FCC.gov SourcesFCC.gov 9548316

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