1. FCC ID
  2. 2BR4K
  3. 2BR4K-THMBUP

FCC ID 2BR4K-THMBUP

Thumbtroller

by StuckAtPrototype LLC

Grantee Code: 2BR4K   Product Code: THMBUP
Latest application date: 2026-01-13

FCC ID Device Details

FCC ID2BR4K-THMBUP
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BR4K
Product CodeTHMBUP
Applicant BusinessStuckAtPrototype LLC 🇺🇸
Related Domains stuckatprototype.com glocerts.com
Equipment ClassThumbtroller
Test FirmShenzhen CTB Testing Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-01-13

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2026-07-12PDF 104 KB
Internal PhotosInternal Photos2026-07-12PDF 773.1 KB
External PhotosExternal Photos2026-01-13PDF 416.4 KB
ID Label/Location InfoID Label/Location Info2026-01-13PDF 255.3 KB
Test Setup Photos 1Test Setup Photos2026-01-13PDF 213.2 KB
Test Setup Photos 2Test Setup Photos2026-01-13PDF 278 KB
ANT Test ReportTest Report2026-01-13PDF 537.9 KB
Test Report 1Test Report2026-01-13PDF 1.4 MB
Test Report 2Test Report2026-01-13PDF 4.2 MB
Attestation StatementsAttestation Statements2026-01-13PDF 75 KB
US agentAttestation Statements2026-01-13PDF 319.1 KB
Agent AuthorizationCover Letter(s)2026-01-13PDF 16.7 KB
Long & short term Confidentiality LetterCover Letter(s)2026-01-13PDF 139.1 KB
module Letter of AuthorizatCover Letter(s)2026-01-13PDF 133.4 KB
RF Exposure Info 1RF Exposure Info2026-01-13PDF 1.8 MB
RF Exposure Info 2RF Exposure Info2026-01-13PDF 5.4 MB
Block Diagram Metadata onlyBlock DiagramPDF 107 KB
Schematics Metadata onlySchematicsPDF 360.5 KB
Operational Description Metadata onlyOperational DescriptionPDF 86.4 KB

Application Information

Application IDRK44a9mPdL/+YNIM4WtiGg==
Final Action Date2026-01-13
Application PurposeOriginal Equipment
Applicant FRN0037487972
ModelTHMBUP
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionThumbtroller
Responsible PartyDamian Glinojecki, contact@stuckatprototype.com , 13538214502
Non-Technical ContactHuiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com , (626) 588-8039
Test FirmRita Xiao, Shenzhen CTB Testing Technology Co., Ltd., simon@ctb-lab.com , 86-13538218145
TCB Emailtcb@metlabs.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
RK44a9mPdL/+YNIM4WtiGg==2026-01-13Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.0779815C

Grants

TCB Grant - Application RK44a9mPdL/+YNIM4WtiGg==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  Eurofins Electrical and Electronic Testing NA, Inc.
914 W. Patapsco Avenue
Baltimore, MD 21230-3432
Date of Grant: 01/13/2026

Application Dated: 01/13/2026
StuckAtPrototype LLC
1320 Arrow Point Dr Suite 501 #169
Cedar Park, TX 78613
 
Attention: Damian Glinojecki ,

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:  2BR4K-THMBUP
Name of Grantee:  StuckAtPrototype LLC
Equipment Class: Digital Transmission System
Notes: Thumbtroller
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.07798  

Output power listed is conducted. Highest reported SAR body is 0.11W/kg respectively.