LS Research TiWi-SL Integrated 802.11 b/g WLAN Module is a high performance 2.4GHz WLAN module that contains an IP networking stack in a pre-certified footprint. LS Research TiWi-SL Integrated 802.11 b/g WLAN Module includes the necessary PHY, MAC, and network layers to support WLAN applications through a simple SPI connection to host microcontrollers or other embedded processors. The LS Research TiWi-SL Integrated 802.11 b/g WLAN Module Evaluation Board is also available, and includes an on-board chip antenna.