1. FCC ID
  2. 2BLND
  3. 2BLNDD181-TBOX

FCC ID 2BLNDD181-TBOX

TBOX

by Indigo Technologies, Inc.

Grantee Code: 2BLND   Product Code: D181TBOX
Latest application date: 2026-03-05

FCC ID Device Details

FCC ID2BLNDD181-TBOX
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BLND
Product CodeD181TBOX
Applicant BusinessIndigo Technologies, Inc. 🇺🇸
Related Domains indigotech.com
Equipment ClassTBOX
Test FirmShenzhen CTL Testing Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-03-05

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-03-05PDF 380.2 KB
Internal Photos of EUT_Part 1Internal Photos2026-03-05PDF 3.9 MB
Internal Photos of EUT_Part 2Internal Photos2026-03-05PDF 3.7 MB
Internal Photos of EUT_Part 3Internal Photos2026-03-05PDF 3.7 MB
External Photos of EUTExternal Photos2026-03-05PDF 322.9 KB
FCC-labelID Label/Location Info2026-03-05PDF 1.1 MB
Test Setup Photos of the EUTTest Setup Photos2026-03-05PDF 215.6 KB
Antenna specTest Report2026-03-05PDF 465.1 KB
CTL2508072071-WF 15.247 Bluetooth Low EnergyTest Report2026-03-05PDF 4.2 MB
CTL2508072071-WF_Bluetooth Low Energy_AppendixTest Report2026-03-05PDF 3.7 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2026-03-05PDF 113.4 KB
USA-LocalRepLetter_V1.1 -2BLNDD181-TBOXAttestation Statements2026-03-05PDF 345.5 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2026-03-05PDF 101.3 KB
CTL2508072071-WFH RF exposure FCCRF Exposure Info2026-03-05PDF 479.5 KB
Block diagram Metadata onlyBlock DiagramPDF 53.7 KB
Schematic Metadata onlySchematicsPDF 102.9 KB
Operational Description Metadata onlyOperational DescriptionPDF 100.8 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 536 KB

Application Information

Application IDelGfMYjS3vquyFg3Dcf0zw==
Final Action Date2026-03-05
Application PurposeOriginal Equipment
Applicant FRN0036112142
ModelD181-TBOX
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionTBOX
Responsible PartyEnyang Huang, eric.huang@indigotech.com , 001(857) 222-3138
Non-Technical ContactCindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com , (626) 910-5808
Test FirmTracy Qi, Shenzhen CTL Testing Technology Co., Ltd., qihui@ctl-lab.com , 86-755-89486194
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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
elGfMYjS3vquyFg3Dcf0zw==2026-03-05Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.001315C

Grants

TCB Grant - Application elGfMYjS3vquyFg3Dcf0zw==

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

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 03/05/2026

Application Dated: 03/05/2026
Indigo Technologies, Inc.
73 Holton St.
Woburn, MA 01801
 
Attention: Enyang Huang ,

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:  2BLNDD181-TBOX
Name of Grantee:  Indigo Technologies, Inc.
Equipment Class: Digital Transmission System
Notes: TBOX
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0013  

Output Power listed is peak conducted. RF exposure compliance is addressed for 1.1310 and 2.1091 MPE limits. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. End Users must be provided with transmitter operation conditions for satisfying RF exposure compliance.