I think you mean a Satellite phone.Mobil phone.
It should be 1/4 of the wavelength of the transmitting/receiving signal.can any body tell me any thing about anntena and how i can creat one
How sarcastic of you!Probably not, haha, maybe you should just try a two way radio, or if you think you can get away with it I can show you how to make a wireless morse code beeper really easy.