Tired of switching out those SIM cards when you travel abroad? AT&T is about to relieve that burden. At MWC, the company has announced a new platform that offers global internet, WiFi, satellite and Ma Bell network coverage via a single SIM. In addition to the hardware, the new tech offers worldwide diagnostic, monitoring and alert / response features for management purposes from AT&T Control Center -- backed by Jasper Wireless. Glenn Lurie, President of Emerging Segments notes "Lessons learned by market leading manufacturers suggest that a single carrier supplier with a single SIM solution is often preferred over working directly with mult
