said by GOLFnSUN 
:said by ExecPro :I recently purchased several Dell laptops for a client, and they all included free Verizon EVDO cards. It was part of the RED series of laptops. So I wouldn't be too sure to say AT&T will be the carrier of choice.
And a built-in chip has the problem of obsolescence and inability to work with other standards than the one built-in. Just put a PC Card slot and/or a USB port in there and plug-in whatever cell providers card you want. Why lock yourself in to one std with new 3G/4G stds coming online all the time. And with Wimax, LTE, etc soon to rollout it would be better to maintain flexibility.
They are just Mini-PCI cards. All you do is pop a cover off on the bottom of the laptop and install a new one. Same as adding memory to a laptop.
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