I have T-Mobile service, unlimited internet access, through a dedicated air-card that is plugged into the side of my laptop. The air-card has it's own phone number if I choose to send a text message. The aircard was $150 at a T-Mobile store. I'm on it right now at home. The service is faster than dial up but not as fast as I was expecting. It's neat to have internet access while driving down the road or in a remote campground too. I also found T-Mobile to be the least expensive by as much as half price of all the cell phone carriers I checked.