<img src="http://tctechcrunch2011.files.wordpress.com/2007/01/communicator in your hands.

We're not positive, but since T-Mobile's system works on a login/password authentication, you can transfer this login/password to your Laptop or PDA. Now that would be worth the $350 for the Mylo, which you could then probably just sell on eBay.

Press Release [Yahoo via Engadget]