They work as well as any other modem.
A wireless card for laptops is used to enable the laptop to connect to a wireless network. A wireless router is used to keep track of the whereabouts of devices connected to the network. It is part of the network. This is a very basic answer but I think it should be enough to answer your question.
yes
You have to have a certain type of a router which is able to collect statics about user internet usage. Only some routers have such function.
"I think so. Though, I don't know much about about Sprint. I use a wireless router so I don't know much about Air Cards. Am I even on the right track of what you are talking about."
"One router that has an average rating of 4.5 stars with over 6,500 reviews is the TP-Link Cable/DSL Wired Router. Another brand that is well known and gets good reviews is Linksys. D-Link also has high marks and is a brand that has a track record for quality."
Its no way to track down, unless you are in there PC. Some router's ip have a bot log thingy. Simply tells you all detials.
yes very easily . All they need to do is to get the logs from your router or your ISPs router.
The content of the Fogbugz website is dedicated to help track different bugs, issues and customer support tickets through the development process of software.
You can not track all cell phones with wireless gps. I would recommend trying to track a smartphone which they all have gps involved with the system. Here is a link... http://www.webtechwireless.com/
Only for certain kind models. Usual commercial available routers don't have such options.
Well sorry to say there is no real way of finding out who hacked it because the hacker most likely used a wireless router at like a coffey shop or something so the only way is tracing down the ip address. Track it to weare the hacker is.
There is gps in cell phones that can be considered a form of wireless tracking. Trucking companies usually use wireless tracking to keep track of their trucks on long trips.