Hi there, I have a phantom with a 5.8 ghz transmitter (stock) and a Boscam 2.4 ghz transmitter and receiver (500mw), I use cloverleaf antennas. My range is aprox. 500-600 meters. Can anyone provide me with some tips to increase this? I fly in a park with no housings. Also I notice that when i go straight up very high the signal is worse than when I fly far away from my position. Hope to hear from you guys.