FCC ID 2BUFN-RIFFMATE
RIFFMATE Intelligent Guitar
by Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd.
Grantee Code: 2BUFN Product Code: RIFFMATE
Latest application date: 2026-04-23
FCC ID Device Details
| FCC ID | 2BUFN-RIFFMATE |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BUFN |
| Product Code | RIFFMATE |
| Applicant Business | Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd. 🇨🇳 |
| Related Domains |  riffmate.com  fccusagent.com |
| Equipment Class | RIFFMATE Intelligent Guitar |
| Test Firm | Waltek Testing Group (Shenzhen) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-04-23 |
| 2402-2480 MHz | Original Equipment | 2026-04-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-19 | PDF 531 KB |
| Internal Photos | Internal Photos | 2026-10-19 | PDF 3.8 MB |
| External Photos | External Photos | 2026-10-19 | PDF 2.6 MB |
| Label & Location | ID Label/Location Info | 2026-04-23 | PDF 449.5 KB |
| Antenna photo | Test Setup Photos | 2026-10-19 | PDF 299.5 KB |
| Antenna report | Test Setup Photos | 2026-10-19 | PDF 299.5 KB |
| Test Setup Photos | Test Setup Photos | 2026-10-19 | PDF 1.7 MB |
| Antenna report | Test Report | 2026-04-23 | PDF 726.6 KB |
| Antenna report | Test Report | 2026-04-23 | PDF 299.5 KB |
| Test Report | Test Report | 2026-04-23 | PDF 1.3 MB |
| Test Report | Test Report | 2026-04-23 | PDF 1.8 MB |
| Attestation Statements Part 2.911 i | Attestation Statements | 2026-04-23 | PDF 1.1 MB |
| Attestation Statements Part 2.911 ii | Attestation Statements | 2026-04-23 | PDF 1.1 MB |
| Attestation Statements US agent Letter | Attestation Statements | 2026-04-23 | PDF 689.7 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-04-23 | PDF 1.2 MB |
| POA | Cover Letter(s) | 2026-04-23 | PDF 1.1 MB |
| RF Exposure | RF Exposure Info | 2026-04-23 | PDF 135.6 KB |
| Block Diagram Metadata only | Block Diagram | PDF 353.5 KB | |
| Schematics Metadata only | Schematics | PDF 772.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 177.9 KB |
Application Information
| Application ID | TPQC7HC1ibRCkSrLXG8QLA== |
|---|---|
| Final Action Date | 2026-04-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037869625 |
| Model | RIFFMATE |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | RIFFMATE Intelligent Guitar |
| Responsible Party | Wenjuan Qiu, qiuwenjuan@riffmate.com , 021-56301716 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 708-571-3148 |
| Test Firm | Jandy So, Waltek Testing Group (Shenzhen) Co., Ltd., jandy.su@waltek.com.cn  , 86-755-33663308 |
| TCB Email | TEI@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| TPQC7HC1ibRCkSrLXG8QLA== | 2026-04-23 | Original Equipment |
| IG3ZqZja9O5VX8fpoYSc+Q== | 2026-04-23 | Original Equipment |
Grants
TCB Grant - Application TPQC7HC1ibRCkSrLXG8QLA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 04/23/2026 Application Dated: 04/23/2026 |
| Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd. |
| Room 205-01,Building 25,No.695 |
| Lingshi Road, Jingan District |
| Shanghai, 200072 China |
| Attention: Wenjuan Qiu , Human Resource 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: | 2BUFN-RIFFMATE |
| Name of Grantee: | Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | RIFFMATE Intelligent Guitar |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0016 |
| Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Device meets SAR Exemption at 5mm for Portable use. |
TCB Grant - Application IG3ZqZja9O5VX8fpoYSc+Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 04/23/2026 Application Dated: 04/23/2026 |
| Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd. |
| Room 205-01,Building 25,No.695 |
| Lingshi Road, Jingan District |
| Shanghai, 200072 China |
| Attention: Wenjuan Qiu , Human Resource 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: | 2BUFN-RIFFMATE |
| Name of Grantee: | Wo Tan Ni Chang (Shanghai) Technology Co.,Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | RIFFMATE Intelligent Guitar |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0022 |
| Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Device meets SAR Exemption at 5mm for Portable use. |