T-Mobile's Mysterious New Logo

Seen at CTIA, this star-shaped five point dot logo was sitting on the back of T-Mobile phones all over their booth. So what could it be? Gearlog says it's not UMA, the T-Mobile At Home service that T-Mob is premiering soon. We're stumped. Maybe it's 3G? Push to talk?

A Gearlog Mystery: What Is This Logo? [Gearlog]