FCC ID 2BTQR-G004
AI smart audio glasses
by Chongqing Tongjian Optical Technology Co., LTD
Grantee Code: 2BTQR Product Code: G004
Latest application date: 2025-12-24
FCC ID Device Details
| FCC ID | 2BTQR-G004 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTQR |
| Product Code | G004 |
| Applicant Business | Chongqing Tongjian Optical Technology Co., LTD 🇨🇳 |
| Related Domains |  glocerts.com |
| Equipment Class | AI smart audio glasses |
| Test Firm | Dongguan Yaxu (AiT) Technology Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-24 |
| 2402-2480 MHz | Original Equipment | 2025-12-24 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-12-24 | PDF 820.8 KB |
| Internal photo | Internal Photos | 2025-12-24 | PDF 814.8 KB |
| External photo | External Photos | 2025-12-24 | PDF 642.5 KB |
| Label location | ID Label/Location Info | 2025-12-24 | PDF 122.3 KB |
| Test Setup Photos | Test Setup Photos | 2025-12-24 | PDF 296.7 KB |
| AiTDG-251217014W1_FCC Test Report_BT BREDR | Test Report | 2025-12-24 | PDF 1.1 MB |
| AiTDG-251217014W2_FCC Test Report_BLE | Test Report | 2025-12-24 | PDF 1 MB |
| Antenna spec | Test Report | 2025-12-24 | PDF 1.4 MB |
| Appendix RF test data for BLE | Test Report | 2025-12-24 | PDF 3.4 MB |
| Appendix RF test data for BT_Part1 | Test Report | 2025-12-24 | PDF 4.9 MB |
| Appendix RF test data for BT_Part2 | Test Report | 2025-12-24 | PDF 1.4 MB |
| USA agent letter 2BTQR-G004 | Attestation Statements | 2025-12-24 | PDF 146.1 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-12-24 | PDF 144.8 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-12-24 | PDF 100.4 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-12-24 | PDF 127 KB |
| AiTDG-251217014W3_FCC RF EXPOSURE | RF Exposure Info | 2025-12-24 | PDF 344.5 KB |
| Block diagram Metadata only | Block Diagram | PDF 208.1 KB | |
| Schematic Metadata only | Schematics | PDF 53.8 KB | |
| Operation Description Metadata only | Operational Description | PDF 225.8 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 162.6 KB |
Application Information
| Application ID | RVIU3ncPTKLiukXTyQX2Rg== |
|---|---|
| Final Action Date | 2025-12-24 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037760006 |
| Model | G004 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | AI smart audio glasses |
| Responsible Party | Mingjun Zhang, 15978958428@163.com  , 15123514989 |
| Non-Technical Contact | Huiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com , (626) 588-8039 |
| Test Firm | Coin Tang, Dongguan Yaxu (AiT) Technology Limited, info@aitek.org.cn  , 86-0769-82020499-21 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| RVIU3ncPTKLiukXTyQX2Rg== | 2025-12-24 | Original Equipment |
| 9ChpsP3uYSK4j2ERcPp6Jg== | 2025-12-24 | Original Equipment |
Grants
TCB Grant - Application RVIU3ncPTKLiukXTyQX2Rg==
| 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: 12/24/2025 Application Dated: 12/24/2025 |
| Chongqing Tongjian Optical Technology Co., LTD |
| Room 1-1, 1-12, 2-1, No. 2, Shengyuan Road, |
| Ecological Industrial Park, Caotang Town, |
| Fengjie County, Chongqing City, China |
| Attention: Mingjun Zhang , |
| 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: | 2BTQR-G004 |
| Name of Grantee: | Chongqing Tongjian Optical Technology Co., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | AI smart audio glasses |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0014 |
| Output Power listed is peak conducted. |
TCB Grant - Application 9ChpsP3uYSK4j2ERcPp6Jg==
| 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: 12/24/2025 Application Dated: 12/24/2025 |
| Chongqing Tongjian Optical Technology Co., LTD |
| Room 1-1, 1-12, 2-1, No. 2, Shengyuan Road, |
| Ecological Industrial Park, Caotang Town, |
| Fengjie County, Chongqing City, China |
| Attention: Mingjun Zhang , |
| 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: | 2BTQR-G004 |
| Name of Grantee: | Chongqing Tongjian Optical Technology Co., LTD |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | AI smart audio glasses |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0017 |
| Output Power listed is peak conducted. |