According to your description, the telecom card of China Telecom is a CDMA 1X/CDMA2000 3G network standard card. CDMA 1X is mainly used for calling and surfing the Internet, but the network speed is slow. CDMA2000 3G is mainly used for high-speed Internet access, and the network speed is very fast. If you want to buy a mobile phone (mobile phone card) of Telecom, please log in to the online business hall of China (Anhui) Telecom. I hope my answer can help you.