Which WWAN Card for use on AT&T

[Fixed_Rider]

X6x'ers,

Do any of you fine folk know what WWAN card I need to convert my x61 from Verison to AT&T?
My thought was to pull the sim from my iPad2 and use it in the x61 for data whenis out and about.

Thanks for the help

[EOMtp]

Assuming that you don't want to install a modified BIOS which will accept any WWAN card, the X61 will accept a Lenovo-branded Sierra Wireless MC8775:
http://www.ebay.com/sch/i.html?_trksid= ... &_from=R40

You will also need a microSIM-to-SIM card adapter:
http://www.ebay.com/sch/i.html?_nkw=mic ... &_from=R40

[Fixed_Rider]

EOMtp,

Sorry should have mentioned that I am running the Middleton Bios.

Thanks for the links.

[EOMtp]

... running the Middleton Bios.

Well, in that case, any WWAN card will work ... but keep in mind that you may still have to tape Pin-20 on the "unauthorized" card, lest the BIOS turns it off after booting and then the card is not seen at all by the operating system.