FCC ID 2BO4Z-SX91
Sound Card
by Enping Zhongxinhe Technology Co., Ltd
Grantee Code: 2BO4Z Product Code: SX91
Latest application date: 2025-06-23
FCC ID Device Details
| FCC ID | 2BO4Z-SX91 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BO4Z |
| Product Code | SX91 |
| Applicant Business | Enping Zhongxinhe Technology Co., Ltd 🇨🇳 |
| Equipment Class | Sound Card |
| Test Firm | Guangdong Asia Hongke Test Technology Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-06-23 |
| 2402-2480 MHz | Original Equipment | 2025-06-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-06-23 | PDF 1.4 MB |
| Internal photo | Internal Photos | 2025-06-23 | PDF 560.5 KB |
| External photo | External Photos | 2025-06-23 | PDF 785.8 KB |
| Lable location | ID Label/Location Info | 2025-06-23 | PDF 142.1 KB |
| Test Setup Photos | Test Setup Photos | 2025-06-23 | PDF 226.2 KB |
| AiTSZ-250427063FW1_FCC Test Report_BT | Test Report | 2025-06-23 | PDF 2.6 MB |
| AiTSZ-250427063FW2_FCC Test Report_BLE | Test Report | 2025-06-23 | PDF 1.2 MB |
| Antenna specification | Test Report | 2025-06-23 | PDF 1.1 MB |
| Appendix RF test data for BLE | Test Report | 2025-06-23 | PDF 2.2 MB |
| Appendix RF test data for BT | Test Report | 2025-06-23 | PDF 3.3 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-06-23 | PDF 131.5 KB |
| Us agent-2BO4Z-SX91 | Attestation Statements | 2025-06-23 | PDF 150.7 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-06-23 | PDF 88.1 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-06-23 | PDF 109.8 KB |
| AiTSZ-250427063FW3_FCC RF EXPOSURE | RF Exposure Info | 2025-06-23 | PDF 387.4 KB |
| Block diagram Metadata only | Block Diagram | PDF 41.1 KB | |
| Schematic Metadata only | Schematics | PDF 214.9 KB | |
| Operation Description Metadata only | Operational Description | PDF 201.8 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 64.5 KB | |
| Bom of SX91 Metadata only | Parts List/Tune Up Info | PDF 120.7 KB |
Application Information
| Application ID | TQ2c1AdlSlMBdLWvhlh9Sw== |
|---|---|
| Final Action Date | 2025-06-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037004793 |
| Model | SX91 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Sound Card |
| Responsible Party | Xiansheng Jin, 531012253@qq.com  , 13424388340 |
| Test Firm | Coin Tang, Guangdong Asia Hongke Test Technology Limited, coin.tang@aitek.org.cn  , +86 755 23096763 |
| 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 | Does not apply |
| Composite Device | Yes |
| 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 | Output Power listed is peak conducted. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| TQ2c1AdlSlMBdLWvhlh9Sw== | 2025-06-23 | Original Equipment |
| /FToDF5lIPGXbTlQa5WD7g== | 2025-06-23 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0023000 |
| 2402-2480 MHz | 0.0017000 |
Grants
TCB Grant - Application TQ2c1AdlSlMBdLWvhlh9Sw==
| 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: 06/23/2025 Application Dated: 06/23/2025 |
| Enping Zhongxinhe Technology Co., Ltd |
| 4th Floor, A2, Zone 1, No. 74 Enzhou |
| Industrial Avenue, Dong'an Industrial Park, |
| Enping City, Jiangmen City, Guangdong Province, China |
| Attention: Xiansheng Jin , |
| 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: | 2BO4Z-SX91 |
| Name of Grantee: | Enping Zhongxinhe Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Sound Card |
| 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. |
TCB Grant - Application /FToDF5lIPGXbTlQa5WD7g==
| 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: 06/23/2025 Application Dated: 06/23/2025 |
| Enping Zhongxinhe Technology Co., Ltd |
| 4th Floor, A2, Zone 1, No. 74 Enzhou |
| Industrial Avenue, Dong'an Industrial Park, |
| Enping City, Jiangmen City, Guangdong Province, China |
| Attention: Xiansheng Jin , |
| 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: | 2BO4Z-SX91 |
| Name of Grantee: | Enping Zhongxinhe Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Sound Card |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0023 |
| Output Power listed is peak conducted. |