China Unicom has been establishing a second network to embrace 2.5G CDMA technology since 2001.
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China Unicom has been establishing a second network to embrace 2.5G CDMA... -
The current subscriber numbers for the China Unicom GSM and CDMA networks is... -
China Unicom runs GSM and CDMA networks side by side. The company has sold... -
China Unicom SIM card. -
Video conferencing equipment from Polycom which can be used over the IP video...