If you're not close to a Wi-Fi hot spot and you need to connect your computer to the office network, you can use an air card to access the Internet. An air card gives you Internet access wherever you ...

Laptop Wi-Fi cards and routers are on different sides of the same proverbial coin. So their differences aren't so much about what separates them, but about their different roles that help them work ...

Borrowing a page from phone companies, America Online has begun selling prepaid Internet access cards at certain retail stores. Earlier this month, Target retail stores started selling AOL "starter ...