FCC ID 2BWL4-HS3100SSW
Wireless Subwoofer
by Eastech (Huizhou) Co., Ltd
Grantee Code: 2BWL4 Product Code: HS3100SSW
Latest application date: 2026-07-16
FCC ID Device Details
| FCC ID | 2BWL4-HS3100SSW |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BWL4 |
| Product Code | HS3100SSW |
| Applicant Business | Eastech (Huizhou) Co., Ltd 🇨🇳 |
| Related Domains |  eastech.com  hisense.com |
| Equipment Class | Wireless Subwoofer |
| Test Firm | Guangdong Dongdian Testing Service Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-16 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label & Location | ID Label/Location Info | 2026-07-16 | PDF 2.3 MB |
| Antenna test report | Test Report | 2026-07-16 | PDF 908.5 KB |
| RF Test report-1 | Test Report | 2026-07-16 | PDF 4.3 MB |
| RF Test report-2 | Test Report | 2026-07-16 | PDF 3 MB |
| FCC Attestation letter | Attestation Statements | 2026-07-16 | PDF 166.3 KB |
| FCC US Agent letter | Attestation Statements | 2026-07-16 | PDF 274.5 KB |
| Confidentiality letter | Cover Letter(s) | 2026-07-16 | PDF 272.8 KB |
| FCC Agent letter | Cover Letter(s) | 2026-07-16 | PDF 199.3 KB |
| Model difference letter | Cover Letter(s) | 2026-07-16 | PDF 146.7 KB |
| RF Exposure report | RF Exposure Info | 2026-07-16 | PDF 800.3 KB |
| User manual-1 Metadata only | Users Manual | 2027-01-12 | PDF 1 MB |
| User manual-2 Metadata only | Users Manual | 2027-01-12 | PDF 5.6 MB |
| Internal photo Metadata only | Internal Photos | 2027-01-12 | PDF 2.2 MB |
| External photo Metadata only | External Photos | 2027-01-12 | PDF 1.5 MB |
| Test Setup photos Metadata only | Test Setup Photos | 2027-01-12 | PDF 1.3 MB |
| Block Diagram Metadata only | Block Diagram | PDF 82.9 KB | |
| Schematic Metadata only | Schematics | PDF 991.2 KB | |
| Operation description Metadata only | Operational Description | PDF 111.3 KB |
Application Information
| Application ID | HtNZvteRRQo50k49SMRTqQ== |
|---|---|
| Final Action Date | 2026-07-16 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038534756 |
| Model | HS3100SSW |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wireless Subwoofer |
| Responsible Party | Chunming Ma, Chunmingcm.Ma@eastech.com , +86 13829996501 |
| Non-Technical Contact | Shuang Guan, Hisense USA Multimedia R&D Center Inc., guanshuang@hisense.com , (678) 318-9060 |
| Test Firm | Mr. Jamy Yu, Guangdong Dongdian Testing Service Co., Ltd., jamy@dgddt.com  , +86-0769-89201646 |
| TCB Email | TCB@nemko.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 | No |
| 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 |
|---|---|---|
| HtNZvteRRQo50k49SMRTqQ== | 2026-07-16 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00436 | 15C |
Grants
TCB Grant - Application HtNZvteRRQo50k49SMRTqQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 07/16/2026 Application Dated: 07/15/2026 |
| Eastech (Huizhou) Co., Ltd |
| BLD 6, Meilonghu (Phase II), Xinxu, Huiyang |
| Huizhou, 516000 China |
| Attention: Chunming Ma , Manager |
| 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: | 2BWL4-HS3100SSW |
| Name of Grantee: | Eastech (Huizhou) Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Subwoofer |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00436 |
| Output power listed is conducted. This device must be installed and operated to provide a separation distance of at least 20 cm from all persons and must not be co-located or operated in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. |