no.2&6 qingping road, qinghutou village, tangxia town, dongguan city,guangdong province，prc
gprs (general packet radio service): the speed is 56kbps or even be up to 114kbps.
edge (enhanced data rate for gsm evolution): the max rate is up to 384kbps, usually is around 200kbit / s.
td-scdma (time division-synchronous code division multiple access): 384kbps.
hsdpa: high speed downlink packet access .
td-scdma hsdpa: the max rate is 2.8mbps, newest products in market reach 3.6mbps, laboratory products is up to 33m
cdma2000 1x evdo (can understand the hsdpa of cdma2000): south korea, japan and other countries have achieved a peak rate of 2.4mbps.
wcdma, hsdpa: theoretical maximum speed is up to 14.4mbps, in hong kong, china； taiwan, china ;korea, europe,the united states and other countries or regions, basic can achieve the rate of 3.6mbps, 7.2mbps can be achieved in some areas.