FCC ID 2BTTG-B200
Deadbolt
by Hangzhou Key to the Future Technology Co., Ltd.
Grantee Code: 2BTTG Product Code: B200
Latest application date: 2026-02-10
FCC ID Device Details
| FCC ID | 2BTTG-B200 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTTG |
| Product Code | B200 |
| Applicant Business | Hangzhou Key to the Future Technology Co., Ltd. 🇨🇳 |
| Related Domains |  miramontsolutions.com |
| Equipment Class | Deadbolt |
| Test Firm | Precise Testing & Certification Co., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 13.56 MHz | Original Equipment | 2026-02-10 |
| 2402-2480 MHz | Original Equipment | 2026-02-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_B200 Users Manual | Users Manual | 2026-02-10 | PDF 5.5 MB |
| 09_B200 Internal Photos | Internal Photos | 2026-02-10 | PDF 2.7 MB |
| 08_B200 External Photos | External Photos | 2026-02-10 | PDF 744.3 KB |
| 07_B200 Label Sample and Location | ID Label/Location Info | 2026-02-10 | PDF 114.3 KB |
| 15_B200 Test Setup Photos | Test Setup Photos | 2026-02-10 | PDF 365.2 KB |
| 14_B200 Test Report DTS BLE | Test Report | 2026-02-10 | PDF 4.6 MB |
| 14_B200 Test Report DXX | Test Report | 2026-02-10 | PDF 4.6 MB |
| 16_B200 Antenna Specification-BT | Test Report | 2026-02-10 | PDF 303.2 KB |
| 16_B200 Antenna Specification-NFC | Test Report | 2026-02-10 | PDF 161.5 KB |
| 02_B200 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-02-10 | PDF 69.9 KB |
| 03_B200 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-02-10 | PDF 246 KB |
| 05_B200 Authorization-CT | Cover Letter(s) | 2026-02-10 | PDF 59.7 KB |
| 06_B200 Long-Confidential Request | Cover Letter(s) | 2026-02-10 | PDF 90.8 KB |
| 17_B200 RF Exp Info | RF Exposure Info | 2026-02-10 | PDF 235.7 KB |
| 11_B200 Block Diagram Metadata only | Block Diagram | PDF 44.5 KB | |
| 12_B200 Schematics Metadata only | Schematics | PDF 298 KB | |
| 10_B200 Operational Description Metadata only | Operational Description | PDF 35.5 KB |
Application Information
| Application ID | pojb/LZ9lMK7KxpV0pwerw== |
|---|---|
| Final Action Date | 2026-02-10 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037775889 |
| Model | B200 |
| Frequency Range | 13.56 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | Deadbolt |
| Responsible Party | Jiaqi Fu, f451405296@gmail.com  , +86-18108405211 |
| Non-Technical Contact | Wenyi Wang, MIRAMONT SOLUTIONS LLC, wenyiwang@miramontsolutions.com , 951 401 363 |
| Test Firm | Yang Juan, Precise Testing & Certification Co., LTD., qc02@ptc-testing.com  , +86-13267259187 |
| TCB Email | TCBadmin@compliancetesting.com  |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| pojb/LZ9lMK7KxpV0pwerw== | 2026-02-10 | Original Equipment |
| UH2d/+WkP4WJB52DJbGY5Q== | 2026-02-10 | Original Equipment |
Grants
TCB Grant - Application UH2d/+WkP4WJB52DJbGY5Q==
| 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: 02/10/2026 Application Dated: 02/10/2026 |
| Hangzhou Key to the Future Technology Co., Ltd. |
| Room 102-2, Building 1, No. 7 Jianghui South Road, |
| Changhe Subdistrict, Binjiang District, |
| Hangzhou City, Zhejiang Province, 310051 China |
| Attention: Jiaqi Fu , Quality Supervisor |
| 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: | 2BTTG-B200 |
| Name of Grantee: | Hangzhou Key to the Future Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Deadbolt |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0019 |
| RF output power 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 and must not be co-located or operating in conjunction with any other transmitter, except in accordance with FCC multi-transmitter evaluation procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application pojb/LZ9lMK7KxpV0pwerw==
| 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: 02/10/2026 Application Dated: 02/10/2026 |
| Hangzhou Key to the Future Technology Co., Ltd. |
| Room 102-2, Building 1, No. 7 Jianghui South Road, |
| Changhe Subdistrict, Binjiang District, |
| Hangzhou City, Zhejiang Province, 310051 China |
| Attention: Jiaqi Fu , Quality Supervisor |
| 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: | 2BTTG-B200 |
| Name of Grantee: | Hangzhou Key to the Future Technology Co., Ltd. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Deadbolt |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 13.56 - 13.56 |
| The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other transmitter, except in accordance with FCC multi-transmitter evaluation procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |