The VGo must have a wireless connection to connect.  In addition to WiFi, you can now connect VGo using Verizon 4G LTE service.   You must have the VGo model with the embedded 4G hardware.  You must get a 4G LTE SIM card (that is inserted into the VGo) from your Verizon rep.  Plug in USB cellular modems (of any type) are not supported.