2BTTG-K221

Hangzhou Key to the Future Technology Co., Ltd.

Smart Lock

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Application Details

Equipment Class: DTS - Digital Transmission System
Date of Grant: May 14, 2026
Application Purpose: Original Equipment
Equipment Note: Smart Lock
Frequency Range: 2402.00000000 - 2480.00000000
Company: Hangzhou Key to the Future Technology Co., Ltd.
Country: China

Documents & Files

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Users Manual

Attestation Statements

Cover Letter(s)

External Photos

ID Label/Location Info

Internal Photos

RF Exposure Info

Test Report

Test Setup Photos

Contact Information

Applicant

Jiaqi Fu(Quality Supervisor)

[email protected]Fax: +86-18108405211

Technical Contact

GLOCERTS TECHNOLOGY INCHuiying Fan

[email protected]

19784 SUNKISSED RIDGE DR · riverside, California, 92507 · United States

Test Firm

Precise Testing & Certification Co., LTD.Yang Juan

[email protected]

Technical Specifications

#	Rule Parts	Frequency Range	Power Output
1	15C	2.40 GHz - 2.48 GHz	1.20 mW
2	15C	2.41 GHz - 2.46 GHz	25.90 mW

Confidentiality

Long Term

Grant Notes

Output power listed is conducted. This device has 20 MHz and 40 MHz bandwidth mode. This device must be installed and operated to provide a separation distance of at least 20 cm from all persons and must not be co-located or operated in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures.

Other Applications from Hangzhou Key to the Future Technology Co., Ltd.

2BTTG-D212

Smart Lock

May 14, 2026

Equipment Class

DTS - Digital Transmission System

2BTTG-D221

D221

May 11, 2026

Equipment Class

DXX - Part 15 Low Power Communication Device Transmitter