FCC ID 2AU4DDDD
Smoke and Carbon Monoxide Alarm
by X-Sense Innovations Co., Ltd.
Grantee Code: 2AU4D Product Code: DDD
Latest application date: 2026-01-06
FCC ID Device Details
| FCC ID | 2AU4DDDD |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AU4D |
| Product Code | DDD |
| Applicant Business | X-Sense Innovations Co., Ltd. 🇨🇳 |
| Related Domains |  x-sense.com |
| Equipment Class | Smoke and Carbon Monoxide Alarm |
| Test Firm | EMTEK (Shenzhen) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-01-06 |
| 2412-2462 MHz | Original Equipment | 2026-01-06 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-01-06 | PDF 4.4 MB |
| Internal photos | Internal Photos | 2026-01-06 | PDF 1.2 MB |
| External photos | External Photos | 2026-01-06 | PDF 1 MB |
| label | ID Label/Location Info | 2026-01-06 | PDF 469.6 KB |
| Test setup photos | Test Setup Photos | 2026-01-06 | PDF 459.7 KB |
| Antenna specification | Test Report | 2026-01-06 | PDF 728.7 KB |
| BLE test report | Test Report | 2026-01-06 | PDF 4.7 MB |
| Test report 01 | Test Report | 2026-01-06 | PDF 4.5 MB |
| Test report 02 | Test Report | 2026-01-06 | PDF 4.4 MB |
| Test report 03 | Test Report | 2026-01-06 | PDF 904.4 KB |
| WIFI 2.4G test report 01 | Test Report | 2026-01-06 | PDF 4.8 MB |
| WIFI 2.4G test report 02 | Test Report | 2026-01-06 | PDF 4.7 MB |
| WIFI 2.4G test report 03 | Test Report | 2026-01-06 | PDF 4.4 MB |
| Attestation Section part 2.911(d)(5)(i)&(ii) | Attestation Statements | 2026-01-06 | PDF 86.1 KB |
| SDOC letter | Attestation Statements | 2026-01-06 | PDF 123.3 KB |
| US Agent letter | Attestation Statements | 2026-01-06 | PDF 268.1 KB |
| Confidentiality letter | Cover Letter(s) | 2026-01-06 | PDF 94.6 KB |
| Family model declaration letter | Cover Letter(s) | 2026-01-06 | PDF 120.8 KB |
| POA letter | Cover Letter(s) | 2026-01-06 | PDF 74.9 KB |
| RF exposure report | RF Exposure Info | 2026-01-06 | PDF 484 KB |
| Block Diagram Metadata only | Block Diagram | PDF 205.1 KB | |
| Schematics Metadata only | Schematics | PDF 246.8 KB | |
| Schematics-module Metadata only | Schematics | PDF 405.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 121 KB |
Application Information
| Application ID | tsXU+auADodQpj1WlEVuXA== |
|---|---|
| Final Action Date | 2026-01-06 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028970382 |
| Model | DDD |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Smoke and Carbon Monoxide Alarm |
| Responsible Party | Sam Liang, zhihao.liang@x-sense.com , 755 2267 0560 |
| Non-Technical Contact | Sam Liang, X-SENSE USA LLC, service@x-sense.com , +1 (833) 952-1880 |
| Test Firm | Lisa Wang, EMTEK (Shenzhen) Co., Ltd., wangli@emtek.com.cn  , 8675526954280 |
| TCB Email | TEI@timcoengr.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 | Yes |
| 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 |
|---|---|---|
| tsXU+auADodQpj1WlEVuXA== | 2026-01-06 | Original Equipment |
| lEWmvIUYNOdmDEvWeyv/vg== | 2026-01-06 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application tsXU+auADodQpj1WlEVuXA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 01/06/2026 Application Dated: 01/06/2026 |
| X-Sense Innovations Co., Ltd. |
| Room 1701, Block 3, Shenzhen International |
| Innovation Valley,Dashi 1st Road,Xili Community, |
| Xili Subdistrict, Nanshan District, Shenzhen,, 518055 China |
| Attention: Sam Liang , |
| 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: | 2AU4DDDD |
| Name of Grantee: | X-Sense Innovations Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Smoke and Carbon Monoxide Alarm |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.000991 |
| Output Power listed is the maximum combined conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End-users must be informed of operating requirements for satisfying RF exposure compliance. |
TCB Grant - Application lEWmvIUYNOdmDEvWeyv/vg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 01/06/2026 Application Dated: 01/06/2026 |
| X-Sense Innovations Co., Ltd. |
| Room 1701, Block 3, Shenzhen International |
| Innovation Valley,Dashi 1st Road,Xili Community, |
| Xili Subdistrict, Nanshan District, Shenzhen,, 518055 China |
| Attention: Sam Liang , |
| 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: | 2AU4DDDD |
| Name of Grantee: | X-Sense Innovations Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Smoke and Carbon Monoxide Alarm |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.000499 | |||
| 15C | 2412.0 - 2462.0 | 0.018793 |
| Output Power listed is the maximum combined conducted output power. This device must be installed and operated so as to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. End-users must be informed of operating requirements for satisfying RF exposure compliance. This device supports 20 and 40 MHz bandwidth modes. |