I have a Dell XPS M 1330 laptop and would like to buy a used, but good condition - or new but cheap WWAN card. Would be one that takes a GSM type SIM, HSDPA/3G. I believe the specific Dell model ...

The 15.4-inch E6500 and 14.1-inch E6400 models will replace Dell's D830 and D630 whereas the "essential" 15.4-inch E5500 and 14.1-inch E5400 carry on the low-end tradition of Dell's D531 and D530.

Just a FYI to the OP and anybody who wonders across this thread. While not all dell 7130 (Core iX versions) come with a WWAN card, they are all equipped with the slot, SIM slot, and antenna ...

When it comes to laptops, Dell's probably got a model to fit just about any need. And now, the company has an option for T-Mobile USA users who just can't be disconnected for any length of time ...