DS3 Doorbell Chime Cover Letter(s) - FCC ID 2BQWU-DS3
FCC ID 2BQWU-DS3
POA
Doorbell Chime
Document preview loads when visible.
Document Details
| FCC ID | 2BQWU-DS3 |
|---|---|
| Document ID | 9250500 |
| Document Type | Cover Letter(s) |
| Description | POA |
| Document Title | TIMCO Engineering Inc |
| Applicant | Hangzhou Huacheng Software Technology Co., Ltd. |
| Equipment Class | Doorbell Chime |
| Product Code | DS3 |
| Application ID | 9tuJcsTOnubZEl0U8PAl9w== |
| Application Purpose | Original Equipment |
| Application Date | 2026-04-28 |
| Frequency Range | 2412-2462 MHz |
| FRN | 0037281912 |
| Test Firm | TUV SUD Asia Ltd. Taiwan Branch |
| Certified By | Hong Yan |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Submitted | 2026-04-28 |
| Available | 2026-04-28 |
| Created | 2026-04-15 |
| Modified | 2026-04-15 |
| Pages | 1 |
| File Type | Adobe Acrobat PDF |
| File Size | 189151 |
| File SHA-256 | 43e0f795dcb3dd1bc88a7f1c384c9772cad91a6b613ed2163cdadfcf79802bf3 |
| PDF Metadata Author | Valued Sony Customer |
| PDF Metadata Producer | Microsoft® Word 适用于 Microsoft 365 Valued Sony Customer |
| FCC.gov Sources | FCC.gov 9250500 |
Related FCC Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| External Photos | External Photos | 2026-04-28 | PDF 1.8 MB |
| Label & Label Location | ID Label/Location Info | 2026-04-28 | PDF 137.1 KB |
| Antenna Specification | Test Report | 2026-04-28 | PDF 792.7 KB |
| Test Report 1 | Test Report | 2026-04-28 | PDF 1.9 MB |
| Test Report 2 | Test Report | 2026-04-28 | PDF 5.2 MB |
| Attestation Statements Part 2.911 i ii | Attestation Statements | 2026-04-28 | PDF 215.9 KB |
| Attestation Statements US Agent | Attestation Statements | 2026-04-28 | PDF 289 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-04-28 | PDF 180.6 KB |
| POA | Cover Letter(s) | 2026-04-28 | PDF 184.7 KB |
| WIFI Channel 12 and 23 Declaration Letter | Cover Letter(s) | 2026-04-28 | PDF 309.3 KB |
| MPE report | RF Exposure Info | 2026-04-28 | PDF 1.2 MB |
| UserManual Metadata only | Users Manual | 2026-10-24 | PDF 2.9 MB |
| Internal Photos Metadata only | Internal Photos | 2026-10-24 | PDF 1.6 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2026-10-24 | PDF 751.6 KB |
| Block Diagram device Metadata only | Block Diagram | PDF 41.8 KB | |
| Block Diagram module Metadata only | Block Diagram | PDF 101.4 KB | |
| PCB Metadata only | Schematics | PDF 1.4 MB | |
| sch device Metadata only | Schematics | PDF 409.6 KB | |
| sch module Metadata only | Schematics | PDF 129.6 KB | |
| Operational Description Metadata only | Operational Description | PDF 169.5 KB |