Wireless Module

USI has over 20-year experience in wireless connectivity industrial and over 1 billion modules shipment as proven record. Our technology coverage is from 2.4GHz/5GHz to 60GHz and Sub-GHz recently could serve customers broad applications. Through miniaturization process, we can provide the smallest WiFi module to portable device and accelerate developing time to market.
Wireless Module
Our WiFi product is a technology for wireless local area networking with devices based on the IEEE 802.11 standards. Wi-Fi is a trademark of the WiFi Alliance, which restricts the use of the term Wi-Fi Certified to products that successfully complete interoperability certification testing.


The 802.11b/g/n + BT4.1 SiP module WM-BN-BM-26 which refers as “SiP 2-in-1 module” is a small size module that provides full function of 802.11b/g/n, Bluetooth 4.1, and high speed in a tiny module via 59 pins LGA footprint. This multi-functionality and board to board physical interface provides SDIO v3.0/ GSPI interface for WiFi, and UART for Bluetooth. The module is based on Broadcom 43438 chipset. The Radio architecture & high integration MAC/BB chip provide excellent sensitivity. The module is designed with single dual-band antenna shared for Wi-Fi and Bluetooth for the application of small size hand held device.
In addition to WEP, WPA, WPA2 and TKIP, AES, CCX is supported to provide the latest security requirement on your network. 

- Support explicit IEEE 802.11n transmitsbeam forming
- Full IEEE 802.11b/g/n legacy compatibility with enhanced performance
- Support single antenna for Wi-Fi and Bluetooth
- Small size suitable for low volume system integrationLow power consumption & excellent power management performance extend battery life
- 2.412-2.484 GHz and 4.9 -5.845GHz two SKUs for
worldwide market
- Easy for integration into mobile and handheld device with flexible system configuration and antenna design

- Lead Free design which supporting Green design requirement, RoHS Compliance, and halogen-free
  • SolutionBCM43438
  • Feature802.11b/g/n+BT4.1
  • Size (mm)9.5x15x1.8
  • InterfaceSDIO (WIFI) / UART(BT)

  • SolutionCYW43455
  • Feature11ac/b/g/n+BT4.2+U.FL
  • Size (mm)15x10x1.78
  • InterfaceSDIO (WIFI) / UART(BT)
  • Operating temperature(-30~85) Celsius
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