FCC ID 2A3SYIMB-019
Wifi & Bluetooth Modules
by Hesung Innovation Limited
Grantee Code: 2A3SY Product Code: IMB019
Latest application date: 2025-04-11
FCC ID Device Details
| FCC ID | 2A3SYIMB-019 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A3SY |
| Product Code | IMB019 |
| Applicant Business | Hesung Innovation Limited 🇨🇳 |
| Related Domains |  hesung.com |
| Equipment Class | Wifi & Bluetooth Modules |
| Test Firm | Shenzhen Huaxia Testing Technology Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-04-11 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-04-11 | PDF 685.6 KB |
| Internal photos | Internal Photos | 2025-04-11 | PDF 201.8 KB |
| External photos | External Photos | 2025-04-11 | PDF 1.9 MB |
| Label and label location | ID Label/Location Info | 2025-04-11 | PDF 21 KB |
| Test setup photos | Test Setup Photos | 2025-04-11 | PDF 340.8 KB |
| Antenna information | Test Report | 2025-04-11 | PDF 2.7 MB |
| Test Report 2G4WLAN part 1 | Test Report | 2025-04-11 | PDF 5.5 MB |
| Test Report 2G4WLAN part 2 | Test Report | 2025-04-11 | PDF 4.3 MB |
| Test Report 2G4WLAN part 3 | Test Report | 2025-04-11 | PDF 5.4 MB |
| Test Report BT LE part 1 | Test Report | 2025-04-11 | PDF 5.7 MB |
| Test Report BT LE part 2 | Test Report | 2025-04-11 | PDF 2.1 MB |
| Agent attestation letter | Attestation Statements | 2025-04-11 | PDF 108.9 KB |
| Covered equipment letter | Attestation Statements | 2025-04-11 | PDF 173.8 KB |
| Due digilence letter | Attestation Statements | 2025-04-11 | PDF 192.2 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-04-11 | PDF 157.6 KB |
| Letter of declaration disable channel 12 and 13 by software | Cover Letter(s) | 2025-04-11 | PDF 125.1 KB |
| Letter of declaration model difference | Cover Letter(s) | 2025-04-11 | PDF 76.5 KB |
| Modular approval request letter | Cover Letter(s) | 2025-04-11 | PDF 222.2 KB |
| RF exposure evaluation | RF Exposure Info | 2025-04-11 | PDF 310.5 KB |
| Block diagram Metadata only | Block Diagram | PDF 71.6 KB | |
| Schematic Metadata only | Schematics | PDF 85.1 KB | |
| Operation description Metadata only | Operational Description | PDF 169.6 KB |
Application Information
| Application ID | 7jVnT9M4Iqt75zVrLLEjFA== |
|---|---|
| Final Action Date | 2025-04-11 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031685647 |
| Model | IMB-019 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wifi & Bluetooth Modules |
| Responsible Party | Bera Yang, bera.yang@hesung.com , +86-13826971634 |
| Test Firm | Jack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com  , +8613902988375 |
| 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 | Power listed is maximum conducted output power. Modular Approval. This device is granted for use in Mobile only configurations in which the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi transmitter product procedures. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. Grantee must coordinate with OEM integrator to determine applicable host configurations to ensure RF exposure compliance. When all conditions of this filing cannot be met installation of this device into specific final products may require the submission of a permissive change application,containing appropriate data demonstrating compliance, or a new application. This device supports 20MHz bandwidth modes as described in this filing. OEM/Host integrator must be provided with antenna installation instructions and transmitter operating conditions to satisfy RF exposure compliance. OEM/Host integrator is responsible for complying with the instructions and requirements for each transmitter they choose to integrate into a host product. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 7jVnT9M4Iqt75zVrLLEjFA== | 2025-04-11 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0133 |
| 2412-2462 MHz | 0.075 |
Grants
TCB Grant - Application 7jVnT9M4Iqt75zVrLLEjFA==
| 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: 04/11/2025 Application Dated: 04/11/2025 |
| Hesung Innovation Limited |
| Room 803, Chevalier House, |
| 45-51 Chatham Road South, Tsim Sha Tsui, Kowloon |
| Hong Kong, 999077 China |
| Attention: Bera Yang , |
| 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: | 2A3SYIMB-019 |
| Name of Grantee: | Hesung Innovation Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | Wifi & Bluetooth Modules |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0133 | |||
| 15C | 2412.0 - 2462.0 | 0.075 |
| Power listed is maximum conducted output power. Modular Approval. This device is granted for use in Mobile only configurations in which the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures. Grantee must provide installation and operating instructions for complying with FCC multi transmitter product procedures. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain may be used with this transmitter. Grantee must coordinate with OEM integrator to determine applicable host configurations to ensure RF exposure compliance. When all conditions of this filing cannot be met installation of this device into specific final products may require the submission of a permissive change application,containing appropriate data demonstrating compliance, or a new application. This device supports 20MHz bandwidth modes as described in this filing. OEM/Host integrator must be provided with antenna installation instructions and transmitter operating conditions to satisfy RF exposure compliance. OEM/Host integrator is responsible for complying with the instructions and requirements for each transmitter they choose to integrate into a host product. |