China Telecom 4G Wifi Data Roaming SIM Card Prepaid Cell Phone Cards 1 Year Data Plan Only 48 GB Full Coverage of China - We've doubled our 4G LTE coverage 99.99% of China. And more towers mean we offer coverage almost everywhere even though in elevator or subway. From doubling our LTE coverage to Extended Range LTE, no other network covers you the way we do. So stop wandering for a better signal. It??s right here Testing internet speed for the China Telecom LTE 4G SIM card is 2-3 Mbps on average, up to 5Mbps. With the speed you are able to stay connected and reachable when you travel. Never miss another important email, status update, or need for Wi-Fi during your next trip in China The Prepaid sim card is for data communication only, without voice service. 48 GB of data (36 GB for Guangzhou and 12 GB for China Mainland) valid for 365 days from activation date, having 2 in 1 cards -- standard SIM card and micro SIM card. The data Sim card fits mobile phones, tablets, pocket routers, dongles, WiFi devices and MiFi devices supporting 4G LTE or CDMA2000 network band 1/ 3/ 7/ BC0/ BC1. If you are not sure if your device/cell phone support China Telecom network in China, please feel free to contact us before buy Sim card nee to be registered before activation bacause Chona requires Real-Name Registration for each phone sim card, we make it simple,scan the QR code on instruction and fulfill blanks,or contact us direclty on Amazon, We shall reply in 24 hours