http://www.tmonews.com/2013/01/t-mobile-launching-gosmart-mobile-nationwide-next-month/
The $45 version offer 5GB of data but at 3G speed
GoSmart currently offers two handset options on its website: The Alcatel OT 838 for $49 and a "mobile SIM kit" for $8 that will allow users to connect unlocked GSM phones to the service.
The $45 version offer 5GB of data but at 3G speed