http://www.cisco.com/en/US/products/ps6398/
Hey, Where's that Thompson Guy? Oh here's his tag
"The Cisco Wireless Location Appliance is the industry’s first location solution that simultaneously tracks thousands of devices from directly within the WLAN infrastructure—bringing the power of a cost effective, high-resolution location solution to critical applications such as high-value asset tracking, IT management and location based security. This easy-to-deploy solution smoothly integrates with Cisco Wireless LAN Controllers and Cisco lightweight access points to track the physical location of wireless devices including Wi-Fi enabled laptops, voice handsets, Wi-Fi tags, rogue devices and rogue access points to within a few meters."
*That oughta be close enough for carbomb work!
