FCC ID 2A7U2-M903AT-13T
Car Audio Navigation
by Guangzhou Liuhuan Information Technology Co., Ltd.
Grantee Code: 2A7U2 Product Code: M903AT13T
Latest application date: 2026-01-22
FCC ID Device Details
| FCC ID | 2A7U2-M903AT-13T |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A7U2 |
| Product Code | M903AT13T |
| Applicant Business | Guangzhou Liuhuan Information Technology Co., Ltd. 🇨🇳 |
| Related Domains |  cviauto.com  fccusagent.com |
| Equipment Class | Car Audio Navigation |
| Test Firm | Shenzhen BALUN Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-01-22 |
| 2402-2480 MHz | Original Equipment | 2026-01-22 |
| 2412-2462 MHz | Original Equipment | 2026-01-22 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| UserManual | Users Manual | 2026-07-21 | PDF 4.4 MB |
| Usermanual | Users Manual | 2026-07-21 | PDF 4.4 MB |
| INT PHOTO | Internal Photos | 2026-07-21 | PDF 2 MB |
| Internal Photos | Internal Photos | 2026-07-21 | PDF 2 MB |
| Internal photos | Internal Photos | 2026-07-21 | PDF 2 MB |
| EXT PHOTO | External Photos | 2026-07-21 | PDF 1.7 MB |
| External photos | External Photos | 2026-07-21 | PDF 1.7 MB |
| Label and its Location | ID Label/Location Info | 2026-01-22 | PDF 1 MB |
| Label and location | ID Label/Location Info | 2026-01-22 | PDF 1 MB |
| Test Setup photo---DSS | Test Setup Photos | 2026-07-21 | PDF 534.8 KB |
| Test photos-DTS | Test Setup Photos | 2026-07-21 | PDF 534.8 KB |
| Test photos-JAB | Test Setup Photos | 2026-07-21 | PDF 912.5 KB |
| TestSetupPhotos-NII | Test Setup Photos | 2026-07-21 | PDF 534.8 KB |
| ANT | Test Report | 2026-01-22 | PDF 1 MB |
| DSStestreport Part1 | Test Report | 2026-01-22 | PDF 5 MB |
| DSStestreport Part2 | Test Report | 2026-01-22 | PDF 3.4 MB |
| DTS test report | Test Report | 2026-01-22 | PDF 5.4 MB |
| Data Part 1 | Test Report | 2026-01-22 | PDF 726.1 KB |
| Data Part 2 | Test Report | 2026-01-22 | PDF 915.4 KB |
| Data Part 3 | Test Report | 2026-01-22 | PDF 662 KB |
| JBP test report | Test Report | 2026-01-22 | PDF 694.8 KB |
| NII test report | Test Report | 2026-01-22 | PDF 2.4 MB |
| 2.911 (d)(5)(i)CertificationEquipmentTypev1.2 | Attestation Statements | 2026-01-22 | PDF 160.4 KB |
| 2.911 (d)(7)USAgentforServiceofProcessv1.5 | Attestation Statements | 2026-01-22 | PDF 174.2 KB |
| 2.911_(d)(5)(i) Certification Equipment Type v1.2 | Attestation Statements | 2026-01-22 | PDF 160.4 KB |
| 2.911_(d)(5)(ii) Certificiation Applicant v1.3 | Attestation Statements | 2026-01-22 | PDF 159.9 KB |
| 2.911_(d)(7) US Agent | Attestation Statements | 2026-01-22 | PDF 174.2 KB |
| Agent Authorization Rev 1.0 | Cover Letter(s) | 2026-01-22 | PDF 8.1 KB |
| AgentAuthorizationRev1.0 | Cover Letter(s) | 2026-01-22 | PDF 8.1 KB |
| Authorization Letter | Cover Letter(s) | 2026-01-22 | PDF 145.8 KB |
| FCC Long&ShortTermConfidentialityRequest | Cover Letter(s) | 2026-01-22 | PDF 158.5 KB |
| FCC Long&ShortTermConfidentialityRequest GTST1187 497 5750920 Metadata only | Cover Letter(s) | 2026-01-22 | PDF 158.5 KB |
| FCC Short & Long Term Confidentiality Request Metadata only | Cover Letter(s) | 2026-01-22 | PDF 158.5 KB |
| FCC Software Configuration Control Declaration Rev1.1 | Cover Letter(s) | 2026-01-22 | PDF 105.8 KB |
| MPE | RF Exposure Info | 2026-01-22 | PDF 417.7 KB |
| Block Metadata only | Block Diagram | PDF 122.6 KB | |
| BlockDiagram Metadata only | Block Diagram | PDF 122.6 KB | |
| SCH Metadata only | Schematics | PDF 5.2 MB | |
| OP Metadata only | Operational Description | PDF 166.7 KB | |
| FCCNIISoftwareSecurityInfo Metadata only | SDR Software/Security Info. | PDF 238.5 KB |
Application Information
| Application ID | im7pPLBhPRH2Lf3cWuRNNg== |
|---|---|
| Final Action Date | 2026-01-22 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032642340 |
| Model | M903AT-13T |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | Car Audio Navigation |
| Responsible Party | Mark Ma, maqingxiong@cviauto.com , +86-13829918010 |
| Technical Contact | Guangzhou Liuhuan Information Technology Co., Ltd., maqingxiong@cviauto.com |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 07085713148 |
| Test Firm | Hanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com  , 86-755-66833830 |
| TCB Email | certification@micomlabs.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| 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 |
|---|---|---|
| im7pPLBhPRH2Lf3cWuRNNg== | 2026-01-22 | Original Equipment |
| T5WtQuZ17QyQT2+HcQSQuA== | 2026-01-22 | Original Equipment |
| K5mXg3NGfrpyJwP1DYMuPw== | 2026-01-22 | Original Equipment |
| +mKrUMnY+wfMh/qOm5i2eA== | 2026-01-22 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application T5WtQuZ17QyQT2+HcQSQuA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 01/22/2026 Application Dated: 01/22/2026 |
| Guangzhou Liuhuan Information Technology Co., Ltd. |
| Room 401, No. 192, Kezhu Road, |
| Huangpu District, |
| Guangzhou, China |
| Attention: Mark Ma , |
| 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: | 2A7U2-M903AT-13T |
| Name of Grantee: | Guangzhou Liuhuan Information Technology Co., Ltd. |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | Car Audio Navigation |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15B | - |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application K5mXg3NGfrpyJwP1DYMuPw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 01/22/2026 Application Dated: 01/22/2026 |
| Guangzhou Liuhuan Information Technology Co., Ltd. |
| Room 401, No. 192, Kezhu Road, |
| Huangpu District, |
| Guangzhou, China |
| Attention: Mark Ma , |
| 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: | 2A7U2-M903AT-13T |
| Name of Grantee: | Guangzhou Liuhuan Information Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Car Audio Navigation |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0017 |
| Power listed is the maximum conducted output power. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application im7pPLBhPRH2Lf3cWuRNNg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 01/22/2026 Application Dated: 01/22/2026 |
| Guangzhou Liuhuan Information Technology Co., Ltd. |
| Room 401, No. 192, Kezhu Road, |
| Huangpu District, |
| Guangzhou, China |
| Attention: Mark Ma , |
| 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: | 2A7U2-M903AT-13T |
| Name of Grantee: | Guangzhou Liuhuan Information Technology Co., Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | Car Audio Navigation |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5745.0 - 5825.0 | 0.00461 |
| Power listed is the maximum conducted output power. This device contains 20, 40 and 80 MHz signal bandwidth. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application +mKrUMnY+wfMh/qOm5i2eA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
MiCOM Labs 575 Boulder Court Pleasanton, CA 94566 |
Date of Grant: 01/22/2026 Application Dated: 01/22/2026 |
| Guangzhou Liuhuan Information Technology Co., Ltd. |
| Room 401, No. 192, Kezhu Road, |
| Huangpu District, |
| Guangzhou, China |
| Attention: Mark Ma , |
| 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: | 2A7U2-M903AT-13T |
| Name of Grantee: | Guangzhou Liuhuan Information Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Car Audio Navigation |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2412.0 - 2462.0 | 0.02723 |
| Power listed is the maximum conducted output power. The antenna used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-Users must be provided with transmitter operation conditions for satisfying RF exposure compliance. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |