FCC ID 2BTVX-U7
U-shaped padlock
by Dongguan Chengxin Technology Co., Ltd.
Grantee Code: 2BTVX Product Code: U7
Latest application date: 2025-12-30
FCC ID Device Details
| FCC ID | 2BTVX-U7 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTVX |
| Product Code | U7 |
| Applicant Business | Dongguan Chengxin Technology Co., Ltd. 🇨🇳 |
| Related Domains |  clfimportexport.com |
| Equipment Class | U-shaped padlock |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 13.56 MHz | Original Equipment | 2025-12-30 |
| 2402-2480 MHz | Original Equipment | 2025-12-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-12-30 | PDF 2.1 MB |
| Internal Photos | Internal Photos | 2025-12-30 | PDF 1.5 MB |
| External Photos | External Photos | 2025-12-30 | PDF 955.7 KB |
| Label and Label location | ID Label/Location Info | 2025-12-30 | PDF 405.5 KB |
| Test Setup Photo | Test Setup Photos | 2025-12-30 | PDF 578 KB |
| Test Report | Test Report | 2025-12-30 | PDF 2.7 MB |
| Test Report | Test Report | 2025-12-30 | PDF 1.2 MB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2025-12-30 | PDF 466.6 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii) | Attestation Statements | 2025-12-30 | PDF 432.8 KB |
| ANT Report | Cover Letter(s) | 2025-12-30 | PDF 357.4 KB |
| ANT Report | Cover Letter(s) | 2025-12-30 | PDF 407.7 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2025-12-30 | PDF 78.7 KB |
| FCC Short & Long Term Confidentiality Request | Cover Letter(s) | 2025-12-30 | PDF 116.6 KB |
| RF Exposure | RF Exposure Info | 2025-12-30 | PDF 302.9 KB |
| Block Diagram Metadata only | Block Diagram | PDF 394.8 KB | |
| SCH Metadata only | Schematics | PDF 974.9 KB | |
| OPS Metadata only | Operational Description | PDF 506.6 KB |
Application Information
| Application ID | fUJD4R1W4w+r96rvVlAMEg== |
|---|---|
| Final Action Date | 2025-12-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037782851 |
| Model | U7 |
| Frequency Range | 13.56 MHz |
| Equipment Class | DXX - Part 15 Low Power Communication Device Transmitter |
| Device Description | U-shaped padlock |
| Responsible Party | Pengcheng Chen, 15889763123@163.com  , 15889763123 |
| Technical Contact | Dongguan Chengxin Technology Co., Ltd., 15889763123@163.com |
| Non-Technical Contact | CLF Import and Export Limited, david.chen@clfimportexport.com |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| fUJD4R1W4w+r96rvVlAMEg== | 2025-12-30 | Original Equipment |
| 02Z+Ral0MdIFJ2J4EC9pvw== | 2025-12-30 | Original Equipment |
Grants
TCB Grant - Application fUJD4R1W4w+r96rvVlAMEg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 12/30/2025 Application Dated: 12/30/2025 |
| Dongguan Chengxin Technology Co., Ltd. |
| Room 906, No. 552, Jinxing Road, Liaobu Town, |
| Dongguan City, Guangdong Province, 523000 China |
| Attention: Pengcheng Chen , |
| 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: | 2BTVX-U7 |
| Name of Grantee: | Dongguan Chengxin Technology Co., Ltd. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | U-shaped padlock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 13.56 - 13.56 |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 02Z+Ral0MdIFJ2J4EC9pvw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 12/30/2025 Application Dated: 12/30/2025 |
| Dongguan Chengxin Technology Co., Ltd. |
| Room 906, No. 552, Jinxing Road, Liaobu Town, |
| Dongguan City, Guangdong Province, 523000 China |
| Attention: Pengcheng Chen , |
| 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: | 2BTVX-U7 |
| Name of Grantee: | Dongguan Chengxin Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | U-shaped padlock |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.00122 |
| Power listed is the maximum conducted output power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |