<img src="https://techcrunch.com/wp-content/uploads/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]