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Critical Link, LLC CL TiWi-R2 Expansion Kit www.CriticalLink.com 5 March 2014 FEATURES Compatible with MitySOM-335x based Development Kits from Critical Link WiFi Support - IEEE 802.11 b/g/n Bluetooth Support - 2.1+EDR - Power Class 1.5 Utilizing LSRs TiWi-R2 Module (1.7 x 1.8 actual size) - Based on TI WL1271 Transceiver DESCRIPTION The CL TiWi-R2 Expansion Kit is compatible with Critical Link s line of MitySOM- 335x based development kits one is required to interface with this expansion kit. All MitySOM-335x based System on Modules support the CL TiWi-R2 expansion kit and can be added to a development kit to add WiFi and Bluetooth functionality. Each kit comes complete with a U.FL cable and a 2.4GHz 2dbi external antenna. It TM seamlessly integrates into the Sitara application processor that is used in Critical Links MitySOM-335x System on Modules. It is based upon the TiWi-R2 from LS Research utilizing a Texas Instruments WL1271 Transceiver. 1 Copyright 2007-2013, Critical Link LLC Critical Link, LLC CL TiWi-R2 Expansion Kit www.CriticalLink.com 5 March 2014 CL TiWi-R2 Interface Description The CL TiWi-R2 interfaces directly with a MitySOM-335x Development Kit through the 41-pin Hirose connector on the bottom of the Development Kit, J700. This interface provides the necessary communications and voltage signals used by the CL TiWi-R2 Expansion Kit. Linux Driver and API examples are available to support the WiFi functionality. The 802.11 b/g/n WiFi interface works directly with the Linux operating system and common wireless LAN utilities such as WPA Supplicant and WPA CLI are compatible. For further information concerning the configuration and specifications of the TiWi-R2 module that the kit is based upon please visit LS Research: