Originally Posted by
Roelof
You can increase range by using better antenna's. Look for a WiFi shop and you will find larger antenna's with a better output and sensitivity
Maybe changing the length of antenna if still using AM or FM. 2.4mhz a different animal, lengthening the antenna changes the wavelength, 4" antenna are good enough for 2.4mhz, some aircrafts are even shorter, some of them are 1" in length.