Data card is a common name .everyone knows what is data card. It is a simple device which helps to connect internet easily,
A data card has an usb port which helps to connect with a laptop or desktop computer, it’s operated by
software which is provide by the manufacturing company. It is a driver or software also installs data card device, when you use this device the software will automatically run after installing it and then you can use it. Today in market we get various types of data card .but it mainly comes in 2 types one is GSM (global system for mobile communication) and the other one is CDMA (code division multiple access). And then cdma & gsm both comes in market of two types one is without sim card and the other one is with sim card.
It’s found of different types in gsm/or cdma data card by cash or kind like 2g data card, 3g date card, 3g(3.1mbps),3g7.2 mbps data cards depending on price value .