AirLink Fastrack Xtend Expansion Cards
	Fastrack Xtend Expansion Cards give you the ultimate in flexibility. Powerful systems can be built easily and cost-effectively by adding an expansion card:      to provide new wired and wireless features      to facilitate customization      to turn Fastrack Xtend into your own stand-alone product
The Fastrack Xtend's open-standard expansion card interface enables you to add additional IO connectivity or features like GPS, WiFi, Bluetooth, Zigbee and more. The Expansion Card is plugged into the Fastrack Xtend without opening the housing.
Available off-the-shelf expansion cards from Sierra Wireless include:
Expansion card GPS+IO: A fully integrated GPS solution and additional IOs      USB anExpansion card Ethernet: Back up the Ethernet connection of your serial devices with            a wireless connection, or turn your Fastrack Xtend into an Ethernet - GPRS/EDGE/HSPA router