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What number segments are there in WCDMA system at present?
WCDMA is Unicom's 3G system, and the uplink and downlink frequency bands are1940-1955/2130-2145 respectively. Generally, 3G mobile phones supporting WCDMA network standard in Hong Kong can use Unicom's 3G number. The frequency bands of the three major operators are divided as follows: at present, the mobile phone networks of the three major operators in China adopt the following modes: Unicom: 2G:GSM；; 3G:WCDMA； 4 g: TD-LTE/FDD-LTE dual mode. Telecom: 2G (actually 2.5g): CDMA; 3G:CDMA 2000； 4 g: TD-LTE/FDD-LTE dual mode. Mobile: 2g:GSM；; 3G:TD-SCDMA； 4 g: TD-LTE single mode.
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