at 100km it doesn't matter. Even with a beam divergences of 0.5 degrees 7 meters is literally a piss in the ocean: Look at the polar pattern here: http://dl.ub

at 100km it doesn't matter. Even with a beam divergences of 0.5 degrees 7 meters is literally a piss in the ocean: Look at the polar pattern here: http://dl.ubnt.com/datasheets/airmaxyagi/airMAX_900MHz_YAGI_Antenna.pdf http://dl.ubnt.com/datasheets/airmaxyagi/airMAX_900MHz_YAGI_... more importantly you have to fine tune the alignment anyway.