FCC ID 2ACP4CBTA335
ANC TWS Smart Screen EarBuds
by Sentry Industries limited
Grantee Code: 2ACP4 Product Code: CBTA335
Latest application date: 2026-05-27
FCC ID Device Details
| FCC ID | 2ACP4CBTA335 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ACP4 |
| Product Code | CBTA335 |
| Applicant Business | Sentry Industries limited 🇨🇳 |
| Related Domains | |
| Equipment Class | ANC TWS Smart Screen EarBuds |
| Test Firm | Shenzhen Tongzhou Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-05-27 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_BTA335 Users Manual | Users Manual | 2026-05-27 | PDF 3.5 MB |
| 09_BTA335 Internal Photos | Internal Photos | 2026-05-27 | PDF 1.4 MB |
| 08_BTA335 External Photos | External Photos | 2026-05-27 | PDF 1.1 MB |
| 07_BTA335 Label Sample and Location | ID Label/Location Info | 2026-05-27 | PDF 235.4 KB |
| 15_BTA335 Test Setup Photos R1 | Test Setup Photos | 2026-05-27 | PDF 603.9 KB |
| 14_BTA335 Test Report DSS BT | Test Report | 2026-05-27 | PDF 3.1 MB |
| 14_BTA335 Test Report DSS BT appendix | Test Report | 2026-05-27 | PDF 5.7 MB |
| 16_BTA335 Antenna Specification | Test Report | 2026-05-27 | PDF 167.3 KB |
| 02_BTA335 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-05-27 | PDF 96.4 KB |
| 03_BTA335 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-05-27 | PDF 489.7 KB |
| 04_BTA335 Authorization-Agent | Cover Letter(s) | 2026-05-27 | PDF 175.9 KB |
| 05_BTA335 Authorization-CT | Cover Letter(s) | 2026-05-27 | PDF 119.2 KB |
| 06_BTA335 Long-Confidential Request | Cover Letter(s) | 2026-05-27 | PDF 112.8 KB |
| 18_BTA335 Models Difference Declaration | Cover Letter(s) | 2026-05-27 | PDF 345.5 KB |
| 17_BTA335 RF Exp Info | RF Exposure Info | 2026-05-27 | PDF 322.2 KB |
| 11_BTA335 Block Diagram Metadata only | Block Diagram | PDF 60.1 KB | |
| 12_BTA335 Schematics Metadata only | Schematics | PDF 125.5 KB | |
| 10_BTA335 Operational Description Metadata only | Operational Description | PDF 200.3 KB |
Application Information
| Application ID | Su+LsULxVzqN/P8+xjDmmA== |
|---|---|
| Final Action Date | 2026-05-27 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0023775950 |
| Model | CBTA335 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | ANC TWS Smart Screen EarBuds |
| Responsible Party | Peetu Melwani, peetumelwani@gmail.com |
| Non-Technical Contact | PEETU PEETU, SENTRY INDUSTRIES INC., Pmelwani@sentryindustries.com |
| Test Firm | Matte He, Shenzhen Tongzhou Testing Co., Ltd., Matte.He@sztz-testing.com |
| TCB Email | tcbadmin@compliancetesting.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| 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 |
|---|---|---|
| Su+LsULxVzqN/P8+xjDmmA== | 2026-05-27 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.002 | 15C |
Grants
TCB Grant - Application Su+LsULxVzqN/P8+xjDmmA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 05/27/2026 Application Dated: 05/27/2026 |
| Sentry Industries limited |
| Room A9, 7/F K11 Atelier, Victoria Dockside, |
| 18 Salisbury Road, Tsim Sha Tsui |
| HONG KONG, China |
| Attention: Peetu Melwani , 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: | 2ACP4CBTA335 |
| Name of Grantee: | Sentry Industries limited |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | ANC TWS Smart Screen EarBuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.002 |
| Output power listed is conducted. |