The standard "rubber duckie" antenna. Usually included free of charge with the 2.4GHz video receivers and transmitters. So this one is available just in case you need a spare.
US$ 7.95
TBS 2.4Ghz Yagi (11dB)US$ 39.90In Stock
VAS 2.4GHz Pepperbox XtremeUS$ 109.95In Stock
VAS 2.4GHz Crosshair (RHCP)US$ 54.95In Stock