rf remote control for rgb light

dear all
i am working on rgb light
i have to change different colors using rf remote
i am using atmega16 micro controller for it
will anybody guide me that what should i do for making a remote

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i want to know that how to make a rf remote (ie transmitter & receiver)

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also tell me that what should be the range of rf remote for this purpose

hi,
i suggest to use transceivers like RFM12B

There is more info on the internet , just google it

thank you boss
i'll see it & if i get any problem then again i 'll ask