i'm not sure but i prefer to go with ARGTek and also not so long ago ARGTek release the 10 dBi Range Booster Kit (with an included 6 dBi flat panel, directional, 5.8Ghz antenna for "super long" range). the included 10 dBi, 5.8Ghz, omni-directional antenna is ideal for flying in the Intelligent...