FCC ID Z4T-WIO-LR2021
Seeed Studio Wio-LR2021 Wireless module
by Seeed Technology Co., Ltd.
Grantee Code: Z4T Product Code: WIOLR2021
Latest application date: 2026-09-18
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2403-2479 MHz | Original Equipment | 2026-09-18 |
| 902-928 MHz | Original Equipment | 2026-09-18 |
| 2402-2478 MHz | Original Equipment | 2026-09-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| ID Label and Location | ID Label/Location Info | 2026-09-18 | PDF 352.9 KB |
| Antenna Information-1 | Test Report | 2026-09-18 | PDF 1.4 MB |
| Antenna Information-1 | Test Report | 2026-09-18 | PDF 757.9 KB |
| Antenna Information-2 | Test Report | 2026-09-18 | PDF 2.4 MB |
| Antenna Information-2 | Test Report | 2026-09-18 | PDF 1.1 MB |
| Antenna Information-3 | Test Report | 2026-09-18 | PDF 1.2 MB |
| Antenna Information-3 | Test Report | 2026-09-18 | PDF 662.8 KB |
| Antenna Information-4 | Test Report | 2026-09-18 | PDF 1.2 MB |
| Antenna Information-4 | Test Report | 2026-09-18 | PDF 1.1 MB |
| Antenna Information-5 | Test Report | 2026-09-18 | PDF 2.2 MB |
| Antenna Information-5 | Test Report | 2026-09-18 | PDF 1.4 MB |
| Antenna Information-6 | Test Report | 2026-09-18 | PDF 2.4 MB |
| Antenna Information-7 | Test Report | 2026-09-18 | PDF 662.8 KB |
| Antenna Information-8 | Test Report | 2026-09-18 | PDF 1.1 MB |
| Antenna Information-9 | Test Report | 2026-09-18 | PDF 2.2 MB |
| Test Report-DSS | Test Report | 2026-09-18 | PDF 2.6 MB |
| Test Report-DTS-1 | Test Report | 2026-09-18 | PDF 5.3 MB |
| Test Report-DTS-2 | Test Report | 2026-09-18 | PDF 4.6 MB |
| Test Report-Dxx | Test Report | 2026-09-18 | PDF 5.2 MB |
| Covered Equipment Attestation | Attestation Statements | 2026-09-18 | PDF 95.5 KB |
| U.S. Agent Designation Attestation | Attestation Statements | 2026-09-18 | PDF 338.1 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2026-09-18 | PDF 129.8 KB |
| Modular Approval Request | Cover Letter(s) | 2026-09-18 | PDF 208 KB |
| POA | Cover Letter(s) | 2026-09-18 | PDF 66.5 KB |
| RF Exposure | RF Exposure Info | 2026-09-18 | PDF 764.5 KB |
| User Manual Metadata only | Users Manual | 2027-03-10 | PDF 3.2 MB |
| Internal Photos Metadata only | Internal Photos | 2027-03-10 | PDF 706.3 KB |
| External Photos Metadata only | External Photos | 2027-03-10 | PDF 3.6 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-03-10 | PDF 5.7 MB |
| Block Diagram Metadata only | Block Diagram | PDF 149 KB | |
| Schematics Metadata only | Schematics | PDF 282.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 87.3 KB |
Application Information
| Application ID | WCH+I1uvlMdVH5wTeBB2Yg== |
|---|---|
| Final Action Date | 2026-09-18 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0023926116 |
| Model | WIO-LR2021 |
| Frequency Range | 2403-2479 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Seeed Studio Wio-LR2021 Wireless module |
| Responsible Party | Albert Miao, albert.miao@seeed.cc  , 86 0755-33162243 |
| Non-Technical Contact | Betty Fan, SEEED TECHNOLOGY INC, zhibing.fan@seeed.cc , (512) 786-1908 |
| Test Firm | Hanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com  , 86-755-66833830 |
| TCB Email | TCB@nemko.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Single Modular Approval |
| 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 |
|---|---|---|
| WCH+I1uvlMdVH5wTeBB2Yg== | 2026-09-18 | Original Equipment |
| MybUrWnkCugNT3sr3i4IGw== | 2026-09-18 | Original Equipment |
| LnyqDuGh0gq2fzD4Cqww5A== | 2026-09-18 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application WCH+I1uvlMdVH5wTeBB2Yg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 09/18/2026 Application Dated: 09/10/2026 |
| Seeed Technology Co., Ltd. |
| 9F,Building G3,TCL International E city, |
| Shuguang Community,Xili street,Nanshan,Shenzhen |
| Shenzhen, 518055 China |
| Attention: Albert Miao , R&D Director |
| 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: | Z4T-WIO-LR2021 |
| Name of Grantee: | Seeed Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Seeed Studio Wio-LR2021 Wireless module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2403.0 - 2479.0 | 0.01495 | ||
| CC | 15C | 902.0 - 928.0 | 0.1228 |
| Single Modular Approval for Mobile RF exposure conditions. Output power listed is conducted. The module antenna(s)must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedure. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application MybUrWnkCugNT3sr3i4IGw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 09/18/2026 Application Dated: 09/11/2026 |
| Seeed Technology Co., Ltd. |
| 9F,Building G3,TCL International E city, |
| Shuguang Community,Xili street,Nanshan,Shenzhen |
| Shenzhen, 518055 China |
| Attention: Albert Miao , R&D Director |
| 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: | Z4T-WIO-LR2021 |
| Name of Grantee: | Seeed Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Seeed Studio Wio-LR2021 Wireless module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 902.0 - 928.0 | 0.12425 |
| Single Modular Approval for Mobile RF exposure conditions. Output power listed is conducted. The module antenna(s)must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedure. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application LnyqDuGh0gq2fzD4Cqww5A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 09/18/2026 Application Dated: 09/11/2026 |
| Seeed Technology Co., Ltd. |
| 9F,Building G3,TCL International E city, |
| Shuguang Community,Xili street,Nanshan,Shenzhen |
| Shenzhen, 518055 China |
| Attention: Albert Miao , R&D Director |
| 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: | Z4T-WIO-LR2021 |
| Name of Grantee: | Seeed Technology Co., Ltd. |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Seeed Studio Wio-LR2021 Wireless module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2478.0 |
| Single Modular Approval for Mobile RF exposure conditions. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedure. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. Separate approval is required for all other operating configurations, including portable configurations with respect to 2.1093 and different antenna configurations. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |