Wifi Data Card is a portable device which is used by inserting mobile sim to use as hot spot for surfing internet. It is known to allow connection to more than one device simultaneously with good speed. This data card is also provided with a USB tip to allow use by directly plugging in into laptop. It supports high speed 4G network and can provide rate of around 150 Mbps which depends upon your network service provider. Wifi Data Card has compatibility with multiple operating systems including Windows, Linux, and Mac. It also enables smooth HD streaming with faster downloading rate.