Physical layer characteristics of a 433 MHz transceiver

Hi...

does ne1 know about the physical layer characteristics of the 433 MHz transceiver...? ne link or paper or discussion...?

http://www.dxzone.com/catalog/Techni...ence/Homebrew/

This is a site with lots of homebrew projects, you will find what you need, BUT you must have the correct licence before you can use this equipment

thnx...