FCC ID 2BTTG-K120
K120
by Hangzhou Key to the Future Technology Co., Ltd.
Grantee Code: 2BTTG Product Code: K120
Latest application date: 2026-03-08
FCC ID Device Details
| FCC ID | 2BTTG-K120 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTTG |
| Product Code | K120 |
| Applicant Business | Hangzhou Key to the Future Technology Co., Ltd. 🇨🇳 |
| Related Domains |  miramontsolutions.com |
| Equipment Class | K120 |
| Test Firm | Precise Testing & Certification Co., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-03-08 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_K120 Users Manual | Users Manual | 2026-03-08 | PDF 5 MB |
| 09_K120 Internal Photos | Internal Photos | 2026-03-08 | PDF 3.9 MB |
| 08_K120 External Photos | External Photos | 2026-03-08 | PDF 1,008.6 KB |
| 07_K120 Label Sample and Location | ID Label/Location Info | 2026-03-08 | PDF 144.2 KB |
| 15_K120 Test Setup Photos | Test Setup Photos | 2026-03-08 | PDF 253 KB |
| 14_K120 Test Report DTS 2.4G Wi-Fi_part1 | Test Report | 2026-03-08 | PDF 5 MB |
| 14_K120 Test Report DTS 2.4G Wi-Fi_part2 | Test Report | 2026-03-08 | PDF 4.6 MB |
| 14_K120 Test Report DTS BLE_part1 | Test Report | 2026-03-08 | PDF 4.8 MB |
| 14_K120 Test Report DTS BLE_part2 | Test Report | 2026-03-08 | PDF 3.3 MB |
| 16_K120 Bluetooth Antenna Specification | Test Report | 2026-03-08 | PDF 594 KB |
| 16_K120 WIFI Antenna Specification | Test Report | 2026-03-08 | PDF 591.6 KB |
| 02_K120 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-03-08 | PDF 69.9 KB |
| 03_K120 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-03-08 | PDF 248 KB |
| 05_K120 Authorization-CT | Cover Letter(s) | 2026-03-08 | PDF 59.7 KB |
| 06_K120 Long-Confidential Request | Cover Letter(s) | 2026-03-08 | PDF 90.8 KB |
| 17_K120 RF Exp Info | RF Exposure Info | 2026-03-08 | PDF 264.8 KB |
| 11_K120 Block Diagram Metadata only | Block Diagram | PDF 373.3 KB | |
| 12_K120 Schematics_HALL Metadata only | Schematics | PDF 293.8 KB | |
| 12_K120 Schematics_Module Metadata only | Schematics | PDF 30.1 KB | |
| 12_K120 Schematics_battery Metadata only | Schematics | PDF 216.7 KB | |
| 12_K120 Schematics_ctr Metadata only | Schematics | PDF 481.9 KB | |
| 12_K120 Schematics_led Metadata only | Schematics | PDF 338.3 KB | |
| 12_K120 Schematics_motor Metadata only | Schematics | PDF 433.2 KB | |
| 10_K120 Operational Description Metadata only | Operational Description | PDF 39.1 KB |
Application Information
| Application ID | QJYhPAZ3whGBj0IR+zpLFA== |
|---|---|
| Final Action Date | 2026-03-08 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037775889 |
| Model | K120 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | K120 |
| Responsible Party | Jiaqi Fu, f451405296@gmail.com  , +86-18108405211 |
| Non-Technical Contact | Wenyi Wang, MIRAMONT SOLUTIONS LLC, wenyiwang@miramontsolutions.com , 951 401 3633 |
| Test Firm | Yang Juan, Precise Testing & Certification Co., LTD., qc02@ptc-testing.com  , +86-13267259187 |
| TCB Email | tcbadmin@compliancetesting.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| 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 |
|---|---|---|
| QJYhPAZ3whGBj0IR+zpLFA== | 2026-03-08 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application QJYhPAZ3whGBj0IR+zpLFA==
| 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: 03/08/2026 Application Dated: 03/09/2026 |
| 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-K120 |
| Name of Grantee: | Hangzhou Key to the Future Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | K120 |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0022 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.007 |
| RF output power is conducted. The antenna(s) used for this transmitter must be installed toprovide 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 instructionand transmitter operating conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |