| Hi Joachim,
Yeah, you are right. In china, there are only two cell phone operators: China Mobile and China Unicom. China Mobile just maintains GSM/GPRS network. But China Unicom managers two kinds of mobile network: GSM and CDMA. CDMA technic is very difference with GSM. Comparing the fee, for one minute local call, the charge of "Ru yi tong" is 0.01~0.02 Euro(0.1~0.2RMB) lower than "Shen zhou Xing". Now china Unicom put most effort on CDMA network, and almost stop invest in GSM. China mobile is largest operator, its quality of sevice and nework covering is more better than China Unicom, especially in the country. In city,they can offer the same service. China Mobile has 96% GSM covering in mainland. If you only stay in Shanghai and Beijing, no main impact either you using the "Ru yi tong" or "Shen Zhou xing". Aslo you can be one subscriber of China Unicom CDMA nework. The CDMA's Data service is more better than GSM/GPRS. If you want to voyage whole china(e.g to some famous countrysides), you'd better subscribe to China Mobile and use "Shen zhou Xing" or "Quan qiu tong". |
Difference Between Quanqiutong and Shenzhouxing