FCC ID 2A3UZ-SFQ22
Charge Rise Plus
by Twine Company Limited
Grantee Code: 2A3UZ Product Code: SFQ22
Latest application date: 2026-01-21
FCC ID Device Details
| FCC ID | 2A3UZ-SFQ22 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A3UZ |
| Product Code | SFQ22 |
| Applicant Business | Twine Company Limited 🇨🇳 |
| Related Domains |  twineintl.com  lobos-lowa.com |
| Equipment Class | Charge Rise Plus |
| Test Firm | Shenzhen BKC Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 0.11-0.205 MHz | Original Equipment | 2026-01-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_SFQ-22 Users Manual | Users Manual | 2026-01-21 | PDF 1.7 MB |
| 09_SFQ-22 Internal Photos | Internal Photos | 2026-01-21 | PDF 2.6 MB |
| 08_SFQ-22 External Photos | External Photos | 2026-01-21 | PDF 1.8 MB |
| 07_SFQ-22 Label Sample and Location | ID Label/Location Info | 2026-01-21 | PDF 221.2 KB |
| 15_SFQ-22 Test Setup Photos | Test Setup Photos | 2026-01-21 | PDF 787 KB |
| 14_SFQ-22 Test Report DCD | Test Report | 2026-01-21 | PDF 1.8 MB |
| 16_SFQ-22 Antenna Specification | Test Report | 2026-01-21 | PDF 1.8 MB |
| 02_SFQ-22 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-01-21 | PDF 119 KB |
| 03_SFQ-22 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-01-21 | PDF 126.2 KB |
| 05_SFQ-22 Authorization-CT | Cover Letter(s) | 2026-01-21 | PDF 100.2 KB |
| 06_SFQ-22 Long-Confidential Request | Cover Letter(s) | 2026-01-21 | PDF 119.1 KB |
| 17_SFQ-22 RF Exp Info | RF Exposure Info | 2026-01-21 | PDF 1 MB |
| 11_SFQ-22 Block Diagram Metadata only | Block Diagram | PDF 19.1 KB | |
| 12_SFQ-22 Schematics Metadata only | Schematics | PDF 317.9 KB | |
| 10_SFQ-22 Operational Description Metadata only | Operational Description | PDF 98.9 KB |
Application Information
| Application ID | FPXcqr5k2tDoFnvO9MpIZg== |
|---|---|
| Final Action Date | 2026-01-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031709454 |
| Model | SFQ22 |
| Frequency Range | 0.11-0.205 MHz |
| Equipment Class | DCD - Part 15 Low Power Transmitter Below 1705 kHz |
| Device Description | Charge Rise Plus |
| Responsible Party | Michael Chui, mchui@twineintl.com , +852 2369 6878 |
| Non-Technical Contact | Harley Li, LOBOS IOWAINC, info@lobos-lowa.com , +18 188180538 |
| Test Firm | Levi Xiao, Shenzhen BKC Testing Co., Ltd., xiaoqiuming@bkc-lab.com  , 13662971642 |
| 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 | 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 |
|---|---|---|
| FPXcqr5k2tDoFnvO9MpIZg== | 2026-01-21 | Original Equipment |
Equipment Authorization
| Frequency | Rules |
|---|---|
| 0.11-0.205 MHz | 15C |
Grants
TCB Grant - Application FPXcqr5k2tDoFnvO9MpIZg==
| 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: 01/21/2026 Application Dated: 01/21/2026 |
| Twine Company Limited |
| FLAT/RM 1506 15/F WORKINGPORT COMMERCIAL BUILDING |
| 3 HAU FOOK STREET TSIMSHATSUI KLN |
| HONG KONG, China |
| Attention: Michael Chui , Manager |
| 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: | 2A3UZ-SFQ22 |
| Name of Grantee: | Twine Company Limited |
| Equipment Class: | Part 15 Low Power Transmitter Below 1705 kHz |
| Notes: | Charge Rise Plus |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 0.11 - 0.205 |