We have an 5ghz access point running on router board with atheros 5211 chipset and 10 dbi omni directional anntena with mikrotik v 2.8.21 on client side we have 100 mw atheros card and 23 dbi flat anntena and we can't connect on about 2 km in the same position was working an 50mw ciso aironet card with 18 dbi grid anntenna, simply can't understand whats the problem I have tried with diferent routers using even 800mhz and nothing again on log I get connected disconected, connect disconnected
Best regard the_time