got two sets of PCs and things are now working fine...

still no idea, why the very SAME cards can't work together in one PC?!?

thanks once again, i will try the things tgrand offered

nstream dual requires two links if I am not wrong... and my case is that I can't link them without one spoiling the other...

pdf - I will check the pacific wireless stuff and if nothing else works will give their feedhorns a try

just to mention that in we have tried to ground the metal shiled of the radio cards, but to no avail...

also, have anyone tried to use similar feedhorns like the one I am using?

http://www.rts-bg.com/?show=item&item=564&id=1346

thanks a lot for the input, but burstnet - we have tried frequencies from 6100 to 4900, and it DOES NOT affect the phenomena... which is that: once both cards are active, the signal gets f***ed up :( dbostrom - as for the nearby anntenas - there are locations that doesn't have any nearby interferenc...

Hi guys, I'm having a nightmare when trying to use two cards in one direction. The scheme is simple Router1 - wlan1A - wlan2B antenna 10 km line of sight antenna - wlan1A (connected with wlan1A from Router1) - wlan2B (connected with wlan2B from Router1) Router2 The anntena is a parabolic (120 to 150...