FCC ID M6E-WB3900
3KM Wireless Digital Bridge,5KM Wireless Digital Bridge
by CHENG UEI PRECISION INDUSTRY CO., LTD.
Grantee Code: M6E Product Code: WB3900
Latest application date: 2026-10-12
FCC ID Device Details
| FCC ID | M6E-WB3900 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | M6E |
| Product Code | WB3900 |
| Applicant Business | CHENG UEI PRECISION INDUSTRY CO., LTD. 🇹🇼 |
| Related Domains | |
| Equipment Class | 3KM Wireless Digital Bridge,5KM Wireless Digital Bridge |
| Test Firm | CHINA CERTIFICATION ICT CO., LTD (DONGGUAN) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 5745-5825 MHz | Original Equipment | 2026-10-12 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-10-12 | PDF 1.3 MB |
| Internal Photos | Internal Photos | 2026-10-12 | PDF 2.5 MB |
| External Photos | External Photos | 2026-10-12 | PDF 1.4 MB |
| Label and label location | ID Label/Location Info | 2026-10-12 | PDF 2.7 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2026-10-12 | PDF 1.3 MB |
| Test Setup Photos 5G WIFI | Test Setup Photos | 2026-10-12 | PDF 1.3 MB |
| Test Setup Photos DFS | Test Setup Photos | 2026-10-12 | PDF 720.6 KB |
| 5G WIFI Test Report Appendix | Test Report | 2026-10-12 | PDF 5.3 MB |
| 5G WIFI Test Report Part 1 | Test Report | 2026-10-12 | PDF 5.5 MB |
| 5G WIFI Test Report Part 2 | Test Report | 2026-10-12 | PDF 1.8 MB |
| Antenna Specification | Test Report | 2026-10-12 | PDF 2.8 MB |
| DFS Test Report | Test Report | 2026-10-12 | PDF 1.2 MB |
| Attestation Letter | Attestation Statements | 2026-10-12 | PDF 26 KB |
| Attestation Letter-2.911(d)(5)(i)(ii) | Attestation Statements | 2026-10-12 | PDF 13 KB |
| US Agent Attestation Letter | Attestation Statements | 2026-10-12 | PDF 67.1 KB |
| DoS Letter | Cover Letter(s) | 2026-10-12 | PDF 26.3 KB |
| FCC Agent Authorization Letter | Cover Letter(s) | 2026-10-12 | PDF 13.6 KB |
| FCC Confidentiality Letter | Cover Letter(s) | 2026-10-12 | PDF 17 KB |
| RF Exposure Information | RF Exposure Info | 2026-10-12 | PDF 445.1 KB |
| Block Diagram Metadata only | Block Diagram | PDF 103.1 KB | |
| Schematics Metadata only | Schematics | PDF 269.7 KB | |
| Operation Description Metadata only | Operational Description | PDF 107.3 KB | |
| Software Security Description Metadata only | SDR Software/Security Info. | PDF 95.9 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 112.1 KB |
Application Information
| Application ID | vNozRQ5Ba9IeOZr3FymXiw== |
|---|---|
| Final Action Date | 2026-10-12 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037287026 |
| Model | WB3900 |
| Frequency Range | 5745-5825 MHz |
| Equipment Class | NII - Unlicensed National Information Infrastructure TX |
| Device Description | 3KM Wireless Digital Bridge,5KM Wireless Digital Bridge |
| Responsible Party | Jim Chen, Jim_chen@foxlink.com |
| Non-Technical Contact | Yuanyou Feng, GLAMORA CREATIONS INC, yyfeng@glamoraiot.com |
| Test Firm | Ora Huang, CHINA CERTIFICATION ICT CO., LTD (DONGGUAN), qa@ccttt.com.cn |
| 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 | 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 |
|---|---|---|
| vNozRQ5Ba9IeOZr3FymXiw== | 2026-10-12 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application vNozRQ5Ba9IeOZr3FymXiw==
| 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: 10/12/2026 Application Dated: 10/12/2026 |
| CHENG UEI PRECISION INDUSTRY CO., LTD. |
| No.18, Chung Shan Road, |
| Tu Cheng District, New Taipei City, Taiwan, R.O.C. |
| New Taipei City, 23680 Taiwan |
| Attention: Jim Chen , Supervisor |
| 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: | M6E-WB3900 |
| Name of Grantee: | CHENG UEI PRECISION INDUSTRY CO., LTD. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 3KM Wireless Digital Bridge,5KM Wireless Digital Bridge |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| MO | 15E | 5180.0 - 5240.0 | 0.0034 | ||
| MO ND | 15E | 5260.0 - 5320.0 | 0.0241 | ||
| MO ND | 15E | 5500.0 - 5720.0 | 0.0124 | ||
| MO | 15E | 5745.0 - 5825.0 | 0.1663 |
| Power output listed is conducted. The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 25 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device supports 20 MHz, 40 MHz and 80 MHz bandwidth modes. |
| MO: | This Multiple Input Multiple Output (MIMO) device was evaluated for multiple transmitted signals as indicated in the filing. |
| ND: | This UNII device complies with the Transmit Power Control (TPC) and Dynamic Frequency Selection (DFS) requirements in Section 15.407(h). |