DigiCell: GSM-1900 (GPRS, EDGE),850 MHz UMTS, HSPA+,Belize Telemedia Limited. BTL, formerly Belize Telecommunications Limited, is a telecommunications company in Belize. Established in 1972 as the Telecommunications Authority, it rapidly became Belize’s leading telecommunication provider in the 1980s and 90s. Today, it enjoys the most subscribers to telephone, cellular, Internet and other services. In May 2007, it changed its name from Belize Telecommunications Limited to Belize Telemedia Limited. The wireless division of BTL is called DigiCell. In August 2009, the company was nationalized by the Government of Belize, who appropriated 94% of its shares which were previously controlled by Michael Ashcroft.