B28 subwoofer Test Report - FCC ID 2BVWW-B28
FCC ID 2BVWW-B28
Antenna information
subwoofer
Document preview loads when visible.
Document Details
| FCC ID | 2BVWW-B28 |
|---|---|
| Document ID | 9438968 |
| Document Type | Test Report |
| Description | Antenna information |
| Applicant | Zefeng Audio Technology (Shenzhen) Co., Ltd |
| Equipment Class | subwoofer |
| Product Code | B28 |
| Application ID | pSrxZO+wxH5AmB6UJBReGg== |
| Application Purpose | Original Equipment |
| Application Date | 2026-07-03 |
| Frequency Range | 5727-5848 MHz |
| FRN | 0038359311 |
| Test Firm | SHENZHEN GLOBAL TEST SERVICE CO LTD |
| Certified By | Rene Ren |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Submitted | 2026-07-03 |
| Available | 2026-07-03 |
| Created | 2026-07-02 |
| Modified | 0002-01-01 |
| Pages | 7 |
| File Type | Adobe Acrobat PDF |
| File Size | 566472 |
| File SHA-256 | 10bd18f57ea4fbbcec54780e5cc8c5b9504a5e7c1d244cd5cebd29858ccc8bc8 |
| PDF Metadata Producer | Microsoft® Office Word 2007 Microsoft® Office Word 2007 |
| FCC.gov Sources | FCC.gov 9438968 |
Related FCC Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-07-03 | PDF 2.1 MB |
| Internal photos | Internal Photos | 2026-07-03 | PDF 1.1 MB |
| External photos | External Photos | 2026-07-03 | PDF 1.1 MB |
| Label and label location | ID Label/Location Info | 2026-07-03 | PDF 101.7 KB |
| Test setup photos | Test Setup Photos | 2026-07-03 | PDF 412 KB |
| Antenna information | Test Report | 2026-07-03 | PDF 553.2 KB |
| Test Report | Test Report | 2026-07-03 | PDF 3.7 MB |
| Agent attestation letter | Attestation Statements | 2026-07-03 | PDF 132 KB |
| Covered equipment letter | Attestation Statements | 2026-07-03 | PDF 260.2 KB |
| Due digilence letter | Attestation Statements | 2026-07-03 | PDF 243.1 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-07-03 | PDF 263.8 KB |
| Letter of declaration model difference | Cover Letter(s) | 2026-07-03 | PDF 125.4 KB |
| RF exposure evaluation | RF Exposure Info | 2026-07-03 | PDF 822.1 KB |
| Block diagram Metadata only | Block Diagram | PDF 111.1 KB | |
| Schematic Metadata only | Schematics | PDF 285 KB | |
| Operation description Metadata only | Operational Description | PDF 209 KB |