increasing the range of turnigy 9X

[alard17]

Hi all;
simply I want to increase the range of my Turnigy 9X by any way;so please if you have any idea for doing this like(using long metal antenna; using special antenna for the reciever;......or any thing else) please send me you advice

notice : I am looking for 1500 m range for my rc car

[Dusty]

the first modification I did to my 9X was to install this: http://www.hobbyking.com/hobbyking/store/__14349__FrSky_DJT_2_4Ghz_Combo_Pack_for_JR_w_Telemetry_Module_V8FR_II_RX.html

people have claimed 4km in the air, not sure about on land. But there's no "magic" fix to getting better range from the stock module in the 9X, it's pretty poor to be honest.

Here's what I did with mine when converting to UHF: https://fpv-forum.com/index.php?topic=515.msg2885#msg2885