FCC ID 2BTTG-S150MAX
Smart Lock
by Hangzhou Key to the Future Technology Co., Ltd.
Grantee Code: 2BTTG Product Code: S150MAX
Latest application date: 2026-10-22
FCC ID Device Details
| FCC ID | 2BTTG-S150MAX |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTTG |
| Product Code | S150MAX |
| Applicant Business | Hangzhou Key to the Future Technology Co., Ltd. 🇨🇳 |
| Related Domains |  dessmann.com.cn  iconsigh.com |
| Equipment Class | Smart Lock |
| Test Firm | Bay Area Compliance Laboratories Corp. (Kunshan) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 24000-24240 MHz | Original Equipment | 2026-10-22 |
| 2412-2462 MHz | Original Equipment | 2026-10-22 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-22 | PDF 985.2 KB |
| Internal Photos Part 1 | Internal Photos | 2026-10-22 | PDF 5.1 MB |
| Internal Photos Part 2 | Internal Photos | 2026-10-22 | PDF 3.5 MB |
| External Photos | External Photos | 2026-10-22 | PDF 937.7 KB |
| Label and Label Location | ID Label/Location Info | 2026-10-22 | PDF 389.6 KB |
| Test Setup Photos | Test Setup Photos | 2026-10-22 | PDF 1.2 MB |
| Antenna Specification BLE | Test Report | 2026-10-22 | PDF 1.2 MB |
| Antenna Specification WIFI | Test Report | 2026-10-22 | PDF 1.3 MB |
| Test Report | Test Report | 2026-10-22 | PDF 4.6 MB |
| Attestation Letter-2.911(d)(5)(i)(ii) | Attestation Statements | 2026-10-22 | PDF 357.1 KB |
| US Agent Attestation Letter | Attestation Statements | 2026-10-22 | PDF 274.4 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2026-10-22 | PDF 171.1 KB |
| FCC Confidentiality Letter | Cover Letter(s) | 2026-10-22 | PDF 200.2 KB |
| RF Exposure Information | RF Exposure Info | 2026-10-22 | PDF 161.2 KB |
| Block Diagram Metadata only | Block Diagram | PDF 458.5 KB | |
| Schematics Metadata only | Schematics | PDF 683.5 KB | |
| Operation Description Metadata only | Operational Description | PDF 251.3 KB |
Application Information
| Application ID | bIVcb+7N73wTBkruZZwxJA== |
|---|---|
| Final Action Date | 2026-10-22 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037775889 |
| Model | S150MAX |
| Frequency Range | 24000-24240 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | Smart Lock |
| Responsible Party | Pengzhao Wang, pengzhao.wang@dessmann.com.cn , +86-15709240132 |
| Non-Technical Contact | Benjamin Kaur, Iconsigh, benjamin.kaur@iconsigh.com , (408) 320-9867 |
| Test Firm | John Chan, Bay Area Compliance Laboratories Corp. (Kunshan), qa.ks@baclcorp.com  , 86-512-86175000 |
| TCB Email | bacl.regulatory@baclcorp.com |
| TCB Scope | A2: Low Power Transmitters (except Spread Spectrum) and radar detectors operating above 1 GHz |
| 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 |
|---|---|---|
| bIVcb+7N73wTBkruZZwxJA== | 2026-10-22 | Original Equipment |
| Rdm+MTRgeHzSpC/XVP3mVw== | 2026-10-22 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application Rdm+MTRgeHzSpC/XVP3mVw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 10/22/2026 Application Dated: 10/22/2026 |
| 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: Pengzhao Wang , 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-S150MAX |
| Name of Grantee: | Hangzhou Key to the Future Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2412.0 - 2462.0 | 0.112 | |||
| 15C | 2402.0 - 2480.0 | 0.006 |
| Power output listed is peak 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 antenna or transmitter. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application bIVcb+7N73wTBkruZZwxJA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 10/22/2026 Application Dated: 10/22/2026 |
| 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: Pengzhao Wang , 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-S150MAX |
| Name of Grantee: | Hangzhou Key to the Future Technology Co., Ltd. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Smart Lock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 24000.0 - 24240.0 |
| The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance. |