hi guys. on friday i had the oportunity fo fly my p2 on an open field, i wanted to test distance and height and i did 1 km in distance and about 500mt in height and a pair of cheap antennas. http://www.flytrex.com/mission/quadcopt ... -hQ5533V2/ my setting. phantom 2 avl58 transmitter black pearl monitor (dont know if its 7 or 32 channel) and a set of cheap antenas (http://www.ebay.com/itm/FPV-5-8Ghz-Clov ... 3a92c2bc59) i lost reception at about 1,050 meters. just wanted to let you know about this great antennas, which are very cheap greetings!