FCC ID Z4T-WIOLR1121

Wio-LR1121

by Seeed Technology Co., Ltd.

Grantee Code: Z4T   Product Code: WIOLR1121
Latest application date: 2026-05-18

FCC ID Device Details

FCC IDZ4T-WIOLR1121
Mirrorsfcc.id | gov | fccid.ai
Grantee CodeZ4T
Product CodeWIOLR1121
Applicant BusinessSeeed Technology Co., Ltd. 🇨🇳
Related Domains seeed.cc
Equipment ClassWio-LR1121
Test FirmCentre Testing International Group Co., Ltd

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
903-914.2 MHzOriginal Equipment2026-05-18
2403-2479 MHzOriginal Equipment2026-05-18
2402-2480 MHzOriginal Equipment2025-06-26
908.4-920 MHzOriginal Equipment2025-06-26

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2025-12-24PDF 403.5 KB
Internal PhotosInternal Photos2025-12-24PDF 3 MB
External PhotosExternal Photos2025-12-24PDF 1.4 MB
Label LocationID Label/Location Info2026-05-18PDF 460.1 KB
LabelID Label/Location Info2025-06-26PDF 425.5 KB
915M Setup photosTest Setup Photos2025-12-24PDF 4 MB
Test Setup PhotosTest Setup Photos2025-12-24PDF 4.2 MB
2.4G FPC Antenna SpecificationTest Report2026-05-18PDF 1.2 MB
2.4G Fiberglass Antenna SpecificationTest Report2026-05-18PDF 388.5 KB
2.4G Spring Antenna SpecificationTest Report2026-05-18PDF 1.2 MB
915MHz FPC Antenna SpecificationTest Report2026-05-18PDF 988.5 KB
915MHz Fiberglass Antenna SpecificationTest Report2026-05-18PDF 3.4 MB
915MHz Spring Antenna SpecificationTest Report2026-05-18PDF 1.3 MB
Test Report_2.4G_1Test Report2026-05-18PDF 4.9 MB
Test Report_2.4G_2Test Report2026-05-18PDF 2.5 MB
Test Report_900MHz_1Test Report2026-05-18PDF 4.8 MB
Test Report_900MHz_2Test Report2026-05-18PDF 4.8 MB
Test Report_900MHz_3Test Report2026-05-18PDF 700.8 KB
Test Report_Appendix_2.4G FSKTest Report2026-05-18PDF 4.7 MB
Test Report_Appendix_2.4G LoRa_1Test Report2026-05-18PDF 4.5 MB
Test Report_Appendix_2.4G LoRa_2Test Report2026-05-18PDF 3.8 MB
Test Report_Appendix_900MHz LoRa(DTS)Test Report2026-05-18PDF 1.5 MB
Test Report_Appendix_900MHz LoRa(FHSS)_1Test Report2026-05-18PDF 4.7 MB
Test Report_Appendix_900MHz LoRa(FHSS)_2Test Report2026-05-18PDF 2.6 MB
Test Report_Appendix_900MHz LoRa(LR-FHSS)_1Test Report2026-05-18PDF 5 MB
Test Report_Appendix_900MHz LoRa(LR-FHSS)_2Test Report2026-05-18PDF 3.3 MB
2.4G FPC ANTTest Report2025-06-26PDF 1.2 MB
2.4G FPC AntennaTest Report2025-06-26PDF 1.2 MB
2.4G Fiberglass AntennaTest Report2025-06-26PDF 388.5 KB
868-915 ANTTest Report2025-06-26PDF 1.3 MB
ANT 915MHz DatasheetTest Report2025-06-26PDF 3.4 MB
Appendix 915MTest Report2025-06-26PDF 1.3 MB
LoRa ANTTest Report2025-06-26PDF 988.5 KB
Part 15.247 2.4G 1-31Test Report2025-06-26PDF 2.2 MB
Part 15.247 2.4G 32-63Test Report2025-06-26PDF 5.2 MB
Part 15.247 915M 1-45Test Report2025-06-26PDF 4.6 MB
Part 15.247 915M 46-73Test Report2025-06-26PDF 4.1 MB
appendix 2.4GTest Report2025-06-26PDF 1.3 MB
Attestation Statements Part 2.911 d 5 iAttestation Statements2026-05-18PDF 405 KB
Attestation Statements Part 2.911 d 5 iiAttestation Statements2026-05-18PDF 271.7 KB
Attestation Statements part 2.911 d 5 iAttestation Statements2026-05-18PDF 405 KB
US AGENT LetterAttestation Statements2026-05-18PDF 104.6 KB
US Agent LetterAttestation Statements2026-05-18PDF 104.6 KB
Attestation Statements Part 2.911 i ii Part1Attestation Statements2025-06-26PDF 97.8 KB
Attestation Statements Part 2.911 i ii Part2Attestation Statements2025-06-26PDF 143.6 KB
Attestation Statements US AgentAttestation Statements2025-06-26PDF 47 KB
Authority LetterCover Letter(s)2026-05-18PDF 473.3 KB
Confidentiality LetterCover Letter(s)2026-05-18PDF 471.9 KB
Model DifferenceCover Letter(s)2026-05-18PDF 279.4 KB
Model Difference LetterCover Letter(s)2026-05-18PDF 279.4 KB
Modular Approval LetterCover Letter(s)2026-05-18PDF 80.1 KB
Confidentiality LetterCover Letter(s)2025-06-26PDF 265.3 KB
Model differenceCover Letter(s)2025-06-26PDF 238.1 KB
Modular Approval LetterCover Letter(s)2025-06-26PDF 376.5 KB
POACover Letter(s)2025-06-26PDF 268.7 KB
SDoC Declaration LetterCover Letter(s)2025-06-26PDF 183.7 KB
RF Exposure EvaluationRF Exposure Info2026-05-18PDF 618.4 KB
Part 1&2 SAR exclusion reportRF Exposure Info2025-06-26PDF 589 KB
User Manual Metadata onlyUsers Manual2026-11-15PDF 493 KB
Internal Photos_Wio-LR1121 Metadata onlyInternal Photos2026-11-15PDF 1.6 MB
Internal Photos__Wio-LR1121-N Metadata onlyInternal Photos2026-11-15PDF 1.7 MB
External Photos_Wio-LR1121 Metadata onlyExternal Photos2026-11-15PDF 1.6 MB
External Photos_Wio-LR1121-N Metadata onlyExternal Photos2026-11-15PDF 1.6 MB
Test Setup Photos_1 Metadata onlyTest Setup Photos2026-11-15PDF 4.7 MB
Test Setup Photos_2 Metadata onlyTest Setup Photos2026-11-15PDF 3.5 MB
Block Diagram Metadata onlyBlock DiagramPDF 145.1 KB
Block Diagram Metadata onlyBlock DiagramPDF 211 KB
SCH Metadata onlySchematicsPDF 395.5 KB
Schematics Metadata onlySchematicsPDF 395.5 KB
Operation Description Metadata onlyOperational DescriptionPDF 186.9 KB
Operation Description Metadata onlyOperational DescriptionPDF 268.1 KB

Application Information

Application IDOCvi/XdC2DUVab2bRwNADw==
Final Action Date2026-05-18
Application PurposeOriginal Equipment
Applicant FRN0023926116
ModelWIOLR1121
Frequency Range903-914.2 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWio-LR1121
Responsible PartyAlbert Miao, albert.miao@seeed.cc , 86 0755-33162243
Non-Technical ContactBetty Fan, SEEED TECHNOLOGY INC, zhibing.fan@seeed.cc , (512)786-1908
Test FirmVicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com , 86-755-3368-1398
TCB EmailTEI@TIMCOENGR.COM
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentSingle Modular Approval
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
OCvi/XdC2DUVab2bRwNADw==2026-05-18Original Equipment
Juk3MkInLLymrvq1amIDSA==2026-05-18Original Equipment
RWqE4+EiYiWnUfnbLtPRxw==2025-06-26Original Equipment
HokGw7HhDBFamRgdo6+NUA==2025-06-26Original Equipment

Equipment Authorization

FrequencyOutput
908.4-920 MHz0.1019000
2402-2480 MHz0.0170000

Grants

TCB Grant - Application RWqE4+EiYiWnUfnbLtPRxw==

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: 06/26/2025

Application Dated: 06/26/2025
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-LR1121
Name of Grantee:  Seeed Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Wio-LR1121
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 2402.0  -  2480.0 0.017  

Output power listed is conducted. 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 from all persons 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 procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device.

TCB Grant - Application OCvi/XdC2DUVab2bRwNADw==

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: 05/18/2026

Application Dated: 05/18/2026
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-WIOLR1121
Name of Grantee:  Seeed Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Wio-LR1121
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 902.3  -  914.9 0.1079  
15C 903.0  -  914.2 0.1052  

Output power listed is conducted. 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 from all persons 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 procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device.

TCB Grant - Application Juk3MkInLLymrvq1amIDSA==

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: 05/18/2026

Application Dated: 05/18/2026
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-WIOLR1121
Name of Grantee:  Seeed Technology Co., Ltd.
Equipment Class: Digital Transmission System
Notes: Wio-LR1121
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 2402.0  -  2480.0 0.02  
15C 2403.0  -  2479.0 0.02  
15C 903.0  -  914.2 0.1067  

Output power listed is conducted. 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 from all persons 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 procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device.

TCB Grant - Application HokGw7HhDBFamRgdo6+NUA==

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: 06/26/2025

Application Dated: 06/26/2025
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-LR1121
Name of Grantee:  Seeed Technology Co., Ltd.
Equipment Class: Part 15 Low Power Communication Device Transmitter
Notes: Wio-LR1121
Modular Type: Single Modular
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
15C 908.4  -  920.0 0.1019