SAN FRANCISCO-The national Global System for Mobile communications network grew from 100,000 subscribers to 300,000 subscribers in the last five months, according to GSM North America.
Six companies have launched GSM service in the United States since personal communications services were initially launched in 1995. That translates into 140 cities in 21 states and one Canadian province.
GSM is a proven technology with more than 30 million customers in 110 countries, according to the organization. In North America, 20 PCS companies have or are expected to choose GSM.