FCC ID 2A2TG-LXDB4I
WIFI doorbell
by LT Security Inc
Grantee Code: 2A2TG Product Code: LXDB4I
Latest application date: 2026-03-23
FCC ID Device Details
| FCC ID | 2A2TG-LXDB4I |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2TG |
| Product Code | LXDB4I |
| Applicant Business | LT Security Inc 🇺🇸 |
| Related Domains | |
| Equipment Class | WIFI doorbell |
| Test Firm | Cerpass Technology Corporation Test Laboratory |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-03-23 |
| 2412-2462 MHz | Original Equipment | 2026-03-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-03-23 | PDF 3.5 MB |
| Internal Photos | Internal Photos | 2026-03-23 | PDF 2 MB |
| External Photos | External Photos | 2026-03-23 | PDF 1.7 MB |
| ID Label/Location Info | ID Label/Location Info | 2026-03-23 | PDF 57.2 KB |
| Test Setup Photos | Test Setup Photos | 2026-03-23 | PDF 1.4 MB |
| DFS report | Test Report | 2026-03-23 | PDF 612.1 KB |
| LE report | Test Report | 2026-03-23 | PDF 3.1 MB |
| Test Report | Test Report | 2026-03-23 | PDF 4.9 MB |
| WiFi report | Test Report | 2026-03-23 | PDF 4.4 MB |
| antenna spec | Test Report | 2026-03-23 | PDF 767.2 KB |
| Attestation Statements | Attestation Statements | 2026-03-23 | PDF 490 KB |
| US agent | Attestation Statements | 2026-03-23 | PDF 768.4 KB |
| Agent Authorization | Cover Letter(s) | 2026-03-23 | PDF 368.2 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-03-23 | PDF 395 KB |
| RF Exposure Info | RF Exposure Info | 2026-03-23 | PDF 353.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 410.4 KB | |
| Schematics 1 Metadata only | Schematics | PDF 67.3 KB | |
| Schematics 2 Metadata only | Schematics | PDF 673.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 333.9 KB | |
| SDR Software / Security Info Metadata only | SDR Software/Security Info. | PDF 223.4 KB |
Application Information
| Application ID | kS8nEHXe+T8X2d6EI+VGBg== |
|---|---|
| Final Action Date | 2026-03-23 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031239015 |
| Model | LXDB4I |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | WIFI doorbell |
| Responsible Party | Kevin Lin, Kevin.Lin@ltsecurityinc.com |
| Technical Contact | Kevin Lin, LT Security Inc, Kevin.Lin@ltsecurityinc.com |
| Non-Technical Contact | Kevin Lin, LT Security Inc, Kevin.Lin@ltsecurityinc.com |
| Test Firm | Ben Wang, Cerpass Technology Corporation Test Laboratory, benw@cerpass.com.tw |
| TCB Email | tcb@metlabs.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 |
|---|---|---|
| kS8nEHXe+T8X2d6EI+VGBg== | 2026-03-23 | Original Equipment |
| ZpwIbQxMmAXnZsNQBUdI/A== | 2026-03-23 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application ZpwIbQxMmAXnZsNQBUdI/A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 03/23/2026 Application Dated: 03/23/2026 |
| LT Security Inc |
| 17333 Freedom Way, |
| City of Industry, CA 91748. USA |
| City of Industry, CA 91748 |
| Attention: Kevin Lin , 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: | 2A2TG-LXDB4I |
| Name of Grantee: | LT Security Inc |
| Equipment Class: | Digital Transmission System |
| Notes: | WIFI doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.002099 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.02851 |
| Output Power listed is conducted. This device has 1 MHz and 2 MHz bandwidth modes. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application kS8nEHXe+T8X2d6EI+VGBg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 03/23/2026 Application Dated: 03/23/2026 |
| LT Security Inc |
| 17333 Freedom Way, |
| City of Industry, CA 91748. USA |
| City of Industry, CA 91748 |
| Attention: Kevin Lin , 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: | 2A2TG-LXDB4I |
| Name of Grantee: | LT Security Inc |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | WIFI doorbell |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.015276 | ||
| CC ND | 15E | 5260.0 - 5320.0 | 0.014723 | ||
| CC ND | 15E | 5500.0 - 5700.0 | 0.015922 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.035237 |
| Output Power listed is conducted. This device has 20 and 40 MHz bandwidth modes. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |