FCC ID 2BLND-FR552
Millimeter wave radar
by Indigo Technologies, Inc.
Grantee Code: 2BLND Product Code: FR552
Latest application date: 2025-03-12
FCC ID Device Details
| FCC ID | 2BLND-FR552 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BLND |
| Product Code | FR552 |
| Applicant Business | Indigo Technologies, Inc. 🇺🇸 |
| Related Domains |  indigotech.com  mrt-cert.com |
| Equipment Class | Millimeter wave radar |
| Test Firm | MRT Technology (Suzhou) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 76000-77000 MHz | Original Equipment | 2025-03-12 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| TempConfidential_User Manual | Users Manual | 2025-09-09 | PDF 502.6 KB |
| TempConfidential_EUT Internal Photograph | Internal Photos | 2025-09-09 | PDF 1.1 MB |
| TempConfidential_EUT External Photograph | External Photos | 2025-09-09 | PDF 906.2 KB |
| Label and location | ID Label/Location Info | 2025-03-12 | PDF 143.8 KB |
| TempConfidential_Test Setup Photo | Test Setup Photos | 2025-09-09 | PDF 2.8 MB |
| 2409RSU036-U1-FCC Part 95M Test Report V02 Metadata only | Test Report | 2025-03-12 | PDF 1.2 MB |
| Antenna Spec. V02 | Test Report | 2025-03-12 | PDF 316 KB |
| FCC Part 95M Test Report V03 | Test Report | 2025-03-12 | PDF 962.1 KB |
| FCC Part 95M Test Report V03_Rev | Test Report | 2025-03-12 | PDF 1.2 MB |
| ACB-FORM-FCC-Application-Letters-Covered-List-Attestation | Attestation Statements | 2025-03-12 | PDF 383.4 KB |
| ACB-FORM-FCC-Application-Letters-U.S.-Agent-Letter-for-Service-of-Process | Attestation Statements | 2025-03-12 | PDF 305.3 KB |
| FCC Attestation Letter - SDoc Compliance | Cover Letter(s) | 2025-03-12 | PDF 11 KB |
| FCC Confidentiality Letter- Long Term | Cover Letter(s) | 2025-03-12 | PDF 211.7 KB |
| FCC Confidentiality Letter- Short Term | Cover Letter(s) | 2025-03-12 | PDF 51.2 KB |
| FCC Declaration of Authorization | Cover Letter(s) | 2025-03-12 | PDF 11.9 KB |
| FCC RF Exposure Report V01 | RF Exposure Info | 2025-03-12 | PDF 497.7 KB |
| Confidential_Block Diagram Metadata only | Block Diagram | PDF 348.9 KB | |
| Confidential_Schematics Metadata only | Schematics | PDF 1.2 MB | |
| Confidential_Operation Description Metadata only | Operational Description | PDF 92.3 KB | |
| Confidential_BOM Metadata only | Parts List/Tune Up Info | PDF 115 KB | |
| Confidential_Tune Up Procedure Metadata only | Parts List/Tune Up Info | PDF 73.7 KB |
Application Information
| Application ID | 4u126zuehWiftybvtCMauQ== |
|---|---|
| Final Action Date | 2025-03-12 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036112142 |
| Model | FR552 |
| Frequency Range | 76000-77000 MHz |
| Equipment Class | VRD - Part 95 Vehicular Radar Systems |
| Device Description | Millimeter wave radar |
| Responsible Party | Enyang Huang, eric.huang@indigotech.com , 001(857) 222-3138 |
| Agent | Marlin Marlin Marlin, MRT Technology (Suzhou) Co., Ltd, marlinchen@mrt-cert.com , 86-512-66308358 |
| Technical Contact | Marlin Chen, MRT Technology (Suzhou) Co., Ltd, marlinchen@mrt-cert.com , 86-512-66308358 |
| Non-Technical Contact | Marlin Chen, MRT Technology (Suzhou) Co., Ltd, marlinchen@mrt-cert.com , 86-512-66308358 |
| Test Firm | Mr. Marlin Chen, MRT Technology (Suzhou) Co., Ltd., marlinchen@mrt-cert.com , 8651266308358 |
| TCB Email | hotline@acbcert.com  |
| TCB Scope | B4: Microwave, Millimeter Wave Band and Citizens Broadband Radio Services equipment in 47 CFR Parts 25, 30, 74, 90, 95, 96, 97, 101 (all above 3 GHz) |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 09/09/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Power output listed is peak EIRP. Users and installers must be provided with transmitter operating conditions for satisfying RF exposure compliance. Use of this device is limited to vehicular radar operations, or as fixed or mobile operations in air operations areas as allowed by 95.3331. Use in aircraft during flight is prohibited and requires the use of automatic shut-off capability that discontinues all 76-81 GHz radar functions while the aircraft is airborne. Fixed radar use in prohibited outside of airport areas and airborne radar operations. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 4u126zuehWiftybvtCMauQ== | 2025-03-12 | Original Equipment |
Grants
TCB Grant - Application 4u126zuehWiftybvtCMauQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 03/12/2025 Application Dated: 03/12/2025 |
| 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: | 2BLND-FR552 |
| Name of Grantee: | Indigo Technologies, Inc. |
| Equipment Class: | Part 95 Vehicular Radar Systems |
| Notes: | Millimeter wave radar |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 41 EP | 95M | 76000.0 - 77000.0 | 0.0178 | 739MF1X |
| Power output listed is peak EIRP. Users and installers must be provided with transmitter operating conditions for satisfying RF exposure compliance. Use of this device is limited to vehicular radar operations, or as fixed or mobile operations in air operations areas as allowed by 95.3331. Use in aircraft during flight is prohibited and requires the use of automatic shut-off capability that discontinues all 76-81 GHz radar functions while the aircraft is airborne. Fixed radar use in prohibited outside of airport areas and airborne radar operations. |
| 41: | Installation of this device must not be readily accessible to human subjects closer than 20 cm. |
| EP: | Output power is Effective Isotropic Radiated Power (EIRP) |