development of antenna for communication between two or more devices

how do i go about developing an antenna for a two way radio communication? relevant free online videos, materials n books would b relevant.thanks

For what? What frequencies, what purposes ?


I supose this, or something similar :

http://en.wikipedia.org/wiki/Two-way_radio

You need to tell about the kind of communication you want. Tell the frequency , and then we'll be able to help you out