... evdo rev ADescription : 1,Standard USB connector , insert it to laptop or computer directly , take and use conveniently.2, ... quick, it is less than 5 seconds from dial numbers to connection internet successfully7,Support PC voice , ovonic SMS8,Support ... .6 Kbps (Uplink up) to 2.4Mbps(Downlink up to)size 90x26x11mmweight about 30gSupport MicroSD cardNoReceive a passage intelligent degree<-104dBm Working ...