FCC ID 2BQJM-CHF8ML
Bluetooth module
by Shenzhen Tiantianzhizhao Technology Co.,LTD
Grantee Code: 2BQJM Product Code: CHF8ML
Latest application date: 2025-07-28
FCC ID Device Details
| FCC ID | 2BQJM-CHF8ML |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BQJM |
| Product Code | CHF8ML |
| Applicant Business | Shenzhen Tiantianzhizhao Technology Co.,LTD 🇨🇳 |
| Equipment Class | Bluetooth module |
| Test Firm | Dongguan Yaxu (AiT) Technology Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-07-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-07-28 | PDF 1.3 MB |
| Internal Photos | Internal Photos | 2025-07-28 | PDF 446.7 KB |
| External Photos | External Photos | 2025-07-28 | PDF 636.6 KB |
| label and location | ID Label/Location Info | 2025-07-28 | PDF 133.4 KB |
| Test Setup Photos | Test Setup Photos | 2025-07-28 | PDF 1.4 MB |
| AiTDG-250627005W1-FCC BLE test report | Test Report | 2025-07-28 | PDF 961.9 KB |
| Antenna Specification r1 | Test Report | 2025-07-28 | PDF 2.6 MB |
| Appendix B RF Test Data for BT LE | Test Report | 2025-07-28 | PDF 3.4 MB |
| US Agent_2BQJM-CHF8ML | Attestation Statements | 2025-07-28 | PDF 146.8 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-07-28 | PDF 127.4 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-07-28 | PDF 86.7 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-07-28 | PDF 107.7 KB |
| USA-ModularApprovalRequest | Cover Letter(s) | 2025-07-28 | PDF 210.6 KB |
| AiTDG-250627005W2_FCC RF EXPOSURE 20cm | RF Exposure Info | 2025-07-28 | PDF 263.3 KB |
| Block Diagram Metadata only | Block Diagram | PDF 35 KB | |
| Schematic Metadata only | Schematics | PDF 101.5 KB | |
| Operation Description Metadata only | Operational Description | PDF 109.5 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 142 KB |
Application Information
| Application ID | AkXCn9aV9onWwT8LUjHGgA== |
|---|---|
| Final Action Date | 2025-07-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037209988 |
| Model | CHF8ML |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Bluetooth module |
| Responsible Party | Changbin Yuan, 450879379@qq.com  , 13288867708 |
| 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 |
| Grant Deferral | No |
| Modular Equipment | Single Modular Approval |
| 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 | Single Modular Approval. 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. The maximum antenna gain is -4.26dBi. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| AkXCn9aV9onWwT8LUjHGgA== | 2025-07-28 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0008000 |
Grants
TCB Grant - Application AkXCn9aV9onWwT8LUjHGgA==
| 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: 07/28/2025 Application Dated: 07/28/2025 |
| Shenzhen Tiantianzhizhao Technology Co.,LTD |
| 5th Floor, Building 61, Baotian Industrial Zone |
| Chentian Community, Xixiang Street |
| Bao'an District, Shenzhen, China |
| Attention: Changbin Yuan , |
| 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: | 2BQJM-CHF8ML |
| Name of Grantee: | Shenzhen Tiantianzhizhao Technology Co.,LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Bluetooth module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0008 |
| Single Modular Approval. 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. The maximum antenna gain is -4.26dBi. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. |