How do you install gprs?
First, make sure that you mobile phone supports GPRS.
Your mobile network provider requires you to enter specific server addresses and possibly even usernames and passwords. You will get this information from your provider if you go to their website and enter your phone number, in which you will get the settings automatically set up through an SMS. Alternatively you need to call them and they can provide you with the necessary steps to get your GPRS connection up and running.
Tons of GPRS devices are on the market. Currently, manufacturers are making these devices smaller and more efficient (ie fit into phones). GPRS devices also track location, to help find stolen cars or laptops. There are many different kids of GPRS available, and they can be explained at http://www.alibaba.com/showroom/gprs-devices.html