looking for long range wireless device ( about 10km )

anybody got any idea n suggestion for me ?
i wan a long range wireless device that is about 10km...than can send n receive data between PIC n PC, so wat device shud i use ?

long range requires high power amplifier. use available range calculators.

There are companies offering complete solutions, but they are expensive. One of such companies utilizes cell phones with an adapter; this can be your solution.
You have not specified the data rate you want to transmit, nor over what terrain type, and other features needed to design a link for you.