Wireless Pocket PC’s - Expensive Modems

Most Pocket PC can be Used as wireless modems as long as they have access to some kind of internet connection. Pocket PC Phones and not phone based PDA's can be tethered to your PC. For example, any PPC with an AirCard 300 can be used as a wireless modem. However, you should be aware of the pitfalls before you go this route.
First, wireless modems are quite a bit more expensive than their wired brethren, at least for now. The AirCard 300 costs $299. Wired modems (for mobile devices) sell for half that price. You'll pay a high price for the freedom of wireless communication on your Pocket PC.