I retired from personal blogging in July 2008 but you can find me over at blog.xero.com
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Just upgraded my data card.
My Telecom 3G MiniMax finally gave up the ghost. The MiniMax has been great for the last year or so but as is often the case for early adopters it became an unsupported orphan. The mobile stores didn’t really know about them, the reseller doesn’t support them anymore and drivers are hard to find.
But anyway, I’ve upgraded to the new Sierra Wireless Rev A card. Installation was a snap from the Sierra Wireless site - they had Telecom specific drivers. And the Rev A speeds are noticeably faster.
The flip out USB bit works on a MacBookAir.
Very happy so far.

Which one exactly did you get?
Box is at work and no markings. There are only a few options. Mine is the USB one, not the Smart Express.
Had one since launch and it’s awesome. And holds up ok for 1XRTT when you’re out of Rev A coverage. Love the USB connection.