communicating between cc2500 rf module and arduino mega 2560

Hello i have a final year project ,in which iam using arduino mega 2560 and a pair of cc2500 wireless module...
could any one please tell me how i could communicate between pc and arduino using the cc2500 rf module..
this is the pdf given but couldnt understand anything.
urgent assistance needed.

Maybe you could get together with this person, who is also at risk of flunking out: