Problem with RF circuit that controls a home gate

sir
i have a problem in Rf circuit which control the home gate. please give a approxi 2km range circit in which two relays control on the transmitter. thanks

Try this

Take a look at this wireless car alarm system: http://www.electronic-circuits-diagr...rmsckt12.shtml
With small modifications you can use this circuit in your application ..
Regards,
IanP

A really really basic question about the attached file:

u have the transmitter right? so how u make the receiver?


(im sorry im a complete begginer in electronics LOL)