TAIPEI, Taiwan — After years of uncertainty, China Unicom Ltd. rolled out a limited launch of its CDMA mobile network on Tuesday (Jan. 8), hoping to attract affluent Chinese customers with the ...

The government-owned Sierra Leone Telecommunications (Sierratel) explained on Friday that it has chosen to use a CDMA phone system based on its need to leapfrog to a next-generation network, which ...

China has built a nationwide mobile phone network capable of providing services for 50 million subscribers, according to an official from China Unicom, the country's builder and operator of the ...

CDMA (Code Division Multiple Access) cellphone subscribers in Japan should see faster upload and download speeds later this year with an upgrade by operator KDDI, the carrier said Tuesday. KDDI, which ...