DJI AVL58 5.8 GHz Video Link Kit CP.AL.000001 B&H Photo Video flown it about a half a mile without any problems, so I'm sure you can go further. You may experience some signal interruption ( very slight) but that's to be expected. Just to be understood this is SD video, if you want Hd video you will have to buy something like a teradek product ( which is in Public bookmarkswith uav