which is the coverage RBSXTG-5HPnD-SAR2?

I want to connect RBSXTG-5HPnD-SAR2 with customers SXT Lite5, the customers are 3km, I can connect to this distance with this antenna sector?

Why dont you try and see

ptmp

http://i.mt.lv/routerboard/files/antenas-mantbox-160404123306.pdf

ptp
http://i.mt.lv/routerboard/files/antenas-160404123306.pdf

i think can be very similar to sxt 5 lite