Originally Posted by ggoodale
Good to hear! You don't have to make your Bluetooth connection the default. The timeout is likely an inactivity timeout - T-Mo will disconnect you if you're not 'actively' using your connection and the time it takes to read a web page is apparently long enough to make T-Mo think you're idle.
That definately sounds like what is going on with the connection. I will say at 10 minutes it will log me out but I just hit the connect and I am back on. Its a small price to pay but I have my mac mobile now so I am happy.