Quick question

[SomeFknGuy]

Setting up a 3 way share setup, using cisco aeronet 350 hardware... i have the 350 ap and 2 350 bridges. one link is so short i dont have anything to worry about, but one link is just at 1.5 miles. i am planning a 10dbi omni at the AP and am wondering how much of a dbi boost i will need on the other end of the link. its in the middle of the country 6 miles from the nearest town...so interference wont be much of an issue out here... if anyone knows i would appreciate it