One link (dual mimo antennas, 3km, on each side 20 networks), throghoutput 80Mbit/s.
Second link(one polarized antennas, 2km, on each side 20 networks)
rb433ah(1)----wireless---(one linke)---rb912--ethernet--rb433ah(2)----wireless(second link)----rb711(3)
when I do test from 1 to 2 throughoutput 20 tcp down is 80mbit/s...
when I do test from 2 to 3 throughooutput 20 tcp down is 40mbit/s
when I do test from 1 to 3 throughoutput 20 tcp down is only 20Mbit/s...
why? on all routers are N cards, 6.15 firmware with wireless-fp