Broadband 480 mobile phone package pre-deposit 84 (21 per month), there are 46 free phone charges =600 yuan. If the phone charges 46 per month, you can call 10010 to ask if your package pre-deposit is not handed in, take the ticket to find them to solve.
Buy a wireless router on the line, do not have to spend money in other foreign affairs.
The most affordable is China Unicom, but the signal is not very stable. The most stable is China Telecom, but it is a little more expensive. As for mobile is the middle of the station, not very expensive but not cheap, the network is still stable or no electricity