How does this system work? Do you hook your cellphone to the computer?
What kind of hardware do you need? How good is coverage in rural areas?
I use what sounds like the same thing, but from Verizon.
It uses a card, supplied by them, or you can get other cards if you want. I guess each kind has it's virtues, I don't know, I've been satisfied with the one they sent me - and it was free.
The card just plugs into the card slot on the side of my laptop.
It comes with software that finds the card and connects you.
As to coverage, where I'm sitting right now I only get one radio station clearly and no broadcast TV, but the aircard's working fine. I used it from California to Texas and never lost coverage.
I've used it for about 4 years or so, and I like it.
You can get a cable that connects your cellular phone to your laptop, and makes a connection just like a landline connection, but of course you pay for every minute that you're online, with the 'data only' deal it's flat rate for all you can eat.