FCC ID 2AU4DDDM
Radon Alarm
by X-Sense Innovations Co., Ltd.
Grantee Code: 2AU4D Product Code: DDM
Latest application date: 2026-06-11
FCC ID Device Details
| FCC ID | 2AU4DDDM |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AU4D |
| Product Code | DDM |
| Applicant Business | X-Sense Innovations Co., Ltd. 🇨🇳 |
| Related Domains |  x-sense.com |
| Equipment Class | Radon Alarm |
| Test Firm | Shenzhen UnionTrust Quality and Technology Co., Lt |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2026-06-11 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual Rev1 | Users Manual | 2026-06-11 | PDF 3 MB |
| 26042724154_Appendix 2_EUT Internal Photos | Internal Photos | 2026-06-11 | PDF 2.5 MB |
| 26042724154_Appendix 2_EUT External Photos | External Photos | 2026-06-11 | PDF 1.4 MB |
| Label | ID Label/Location Info | 2026-06-11 | PDF 1.3 MB |
| 26042724154_APPENDIX 1_TEST SETUP | Test Setup Photos | 2026-06-11 | PDF 578.3 KB |
| 26042724154RFC-1_BLE Report_Rev1 | Test Report | 2026-06-11 | PDF 2.7 MB |
| 26042724154RFC-2_Wi-Fi 11Channel Report_Rev1 | Test Report | 2026-06-11 | PDF 4 MB |
| antenna report Rev2 | Test Report | 2026-06-11 | PDF 474.7 KB |
| ACB-FORM-FCC-Application-Letters-Covered-List-Attestation Rev1 | Attestation Statements | 2026-06-11 | PDF 156 KB |
| US Agent Designation Rev1.pdf | Attestation Statements | 2026-06-11 | PDF 147.4 KB |
| 2AU4DDDM_Letters-Agency-Letter Rev1 | Cover Letter(s) | 2026-06-11 | PDF 111.6 KB |
| Confidentiality-Letter Rev1 | Cover Letter(s) | 2026-06-11 | PDF 147.5 KB |
| 26042724154RFC-3_MPE REPORT Rev1 | RF Exposure Info | 2026-06-11 | PDF 493.4 KB |
| XR0A-iR Block Diagram rev2 Metadata only | Block Diagram | PDF 246.1 KB | |
| SCH rev2 Metadata only | Schematics | PDF 318.2 KB | |
| XR0A-iR Perational Description Rev1 Metadata only | Operational Description | PDF 291.2 KB |
Application Information
| Application ID | JEZvLzj5J3VGUfeKwfw6pw== |
|---|---|
| Final Action Date | 2026-06-11 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028970382 |
| Model | DDM |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Radon Alarm |
| Responsible Party | Sam Liang, zhihao.liang@x-sense.com , 755 2267 0560 |
| Technical Contact | Billy Li, Shenzhen UnionTrust Quality and Technology Co., Lt, billy.li@uttlab.com  , +86-755-28230888 |
| Non-Technical Contact | Sam Liang, X-SENSE USA LLC, service@x-sense.com |
| Test Firm | George Luo, Shenzhen UnionTrust Quality and Technology Co., Lt, quality@uttlab.com , 86-755-28230888 |
| TCB Email | hotline@acbcert.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 |
|---|---|---|
| JEZvLzj5J3VGUfeKwfw6pw== | 2026-06-11 | Original Equipment |
Grants
TCB Grant - Application JEZvLzj5J3VGUfeKwfw6pw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
ACB, Inc. 313 Park Avenue Suite 300 Falls Church, VA 22046 |
Date of Grant: 06/11/2026 Application Dated: 06/11/2026 |
| 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: | 2AU4DDDM |
| Name of Grantee: | X-Sense Innovations Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Radon Alarm |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00488 | |||
| 15C | 2412.0 - 2462.0 | 0.12882 |
| Power Output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and not be co-located with any other transmitters except in accordance with FCC multi-transmitter product procedures. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device has only 20 MHz bandwidth mode. |