FCC ID 2BB8U-WS8408
LoRa Module
by Chengdu Silent Smart Technology Co., Ltd.
Grantee Code: 2BB8U Product Code: WS8408
Latest application date: 2026-07-29
FCC ID Device Details
| FCC ID | 2BB8U-WS8408 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BB8U |
| Product Code | WS8408 |
| Applicant Business | Chengdu Silent Smart Technology Co., Ltd. 🇨🇳 |
| Related Domains |  iconsigh.com |
| Equipment Class | LoRa Module |
| Test Firm | Bay Area Compliance Laboratories Corp. (Chengdu) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 904-926 MHz | Original Equipment | 2026-07-29 |
| 904-926 MHz | Original Equipment | 2026-07-29 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-07-29 | PDF 504.5 KB |
| Internal Photos | Internal Photos | 2026-07-29 | PDF 172 KB |
| External Photos | External Photos | 2026-07-29 | PDF 249.4 KB |
| Label and Label Location | ID Label/Location Info | 2026-07-29 | PDF 99 KB |
| Test Setup Photos | Test Setup Photos | 2026-07-29 | PDF 486.8 KB |
| Antenna Specification | Test Report | 2026-07-29 | PDF 818.9 KB |
| Test Report | Test Report | 2026-07-29 | PDF 1.8 MB |
| Test Report | Test Report | 2026-07-29 | PDF 2.3 MB |
| Attestation Letter | Attestation Statements | 2026-07-29 | PDF 285.6 KB |
| Attestation Letter-2.911(d)(5)(i)(ii) | Attestation Statements | 2026-07-29 | PDF 214.8 KB |
| US Agent Attestation Letter | Attestation Statements | 2026-07-29 | PDF 473.9 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2026-07-29 | PDF 243.3 KB |
| FCC Confidentiality Letter | Cover Letter(s) | 2026-07-29 | PDF 260.2 KB |
| Module Approval Request Letter | Cover Letter(s) | 2026-07-29 | PDF 1 MB |
| RF Exposure Information | RF Exposure Info | 2026-07-29 | PDF 81.3 KB |
| RF Exposure Information | RF Exposure Info | 2026-07-29 | PDF 133.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 169 KB | |
| Schematics Metadata only | Schematics | PDF 177.6 KB | |
| Hopping Information Metadata only | Operational Description | PDF 31.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 218.6 KB |
Application Information
| Application ID | TAUiYNY3F8IqSKEEm6KAgw== |
|---|---|
| Final Action Date | 2026-07-29 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0034052233 |
| Model | WS8408 |
| Frequency Range | 904-926 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | LoRa Module |
| Responsible Party | Sheng Liguo, shengliguo777@163.com  , 18382150460 |
| Non-Technical Contact | Benjamin Kaur, Iconsigh, benjamin.kaur@iconsigh.com , +1 (408) 320-9867 |
| Test Firm | May Chen, Bay Area Compliance Laboratories Corp. (Chengdu), qa.chengdu@baclcorp.com  , 86-028-65525123 |
| TCB Email | bacl.regulatory@baclcorp.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Single Modular Approval |
| 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 |
|---|---|---|
| TAUiYNY3F8IqSKEEm6KAgw== | 2026-07-29 | Original Equipment |
| /jVsfnSMoyJZQdvgGq9LuA== | 2026-07-29 | Original Equipment |
Grants
TCB Grant - Application TAUiYNY3F8IqSKEEm6KAgw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 07/29/2026 Application Dated: 07/29/2026 |
| Chengdu Silent Smart Technology Co., Ltd. |
| 303-7, Floor 3, Building 12, No.38, South |
| Jinke Road, Jinniu Hi-tech Industrial Park, |
| Chengdu, Sichuan, China |
| Attention: Sheng Liguo , |
| 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: | 2BB8U-WS8408 |
| Name of Grantee: | Chengdu Silent Smart Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | LoRa Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 904.0 - 926.0 | 0.01 |
| Modular approval. Output power listed is conducted. This grant is valid only when the module is sold to OEM or OEM integrators. This transmitter uses as a module in mobile-only RF exposure conditions. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain maybe used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. Co-location of this module with other transmitters that operate simultaneously is required to be evaluated using the FCC multi-transmitter procedures. Compliance of this device in all final host configurations is the responsibility of the Grantee. End-users must be provided with specific information required to satisfy RF exposure compliance for the final host device. Installation of this device into portable RF Exposure category host devices requires the submission of a Class II permissive change or new application. |
TCB Grant - Application /jVsfnSMoyJZQdvgGq9LuA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Bay Area Compliance Laboratories Corp. 1274 Anvilwood Avenue Sunnyvale, CA 94089 |
Date of Grant: 07/29/2026 Application Dated: 07/29/2026 |
| Chengdu Silent Smart Technology Co., Ltd. |
| 303-7, Floor 3, Building 12, No.38, South |
| Jinke Road, Jinniu Hi-tech Industrial Park, |
| Chengdu, Sichuan, China |
| Attention: Sheng Liguo , |
| 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: | 2BB8U-WS8408 |
| Name of Grantee: | Chengdu Silent Smart Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | LoRa Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 904.0 - 926.0 | 0.009 |
| Modular approval. Output power listed is peak conducted. This grant is valid only when the module is sold to OEM or OEM integrators. This transmitter uses as a module in mobile-only RF exposure conditions. Only those antenna(s) tested with the device or similar antenna(s) with equal or lesser gain maybe used with this transmitter. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons. Co-location of this module with other transmitters that operate simultaneously is required to be evaluated using the FCC multi-transmitter procedures. Compliance of this device in all final host configurations is the responsibility of the Grantee. End-users must be provided with specific information required to satisfy RF exposure compliance for the final host device. Installation of this device into portable RF Exposure category host devices requires the submission of a Class II permissive change or new application. |