DUDE and WINBOX for ANDROID. Many people starting to have phones witch internet and android , i love to have dude running on my phone

Hi , I am new one im mikrotik. Im using RB433 with N wifi card and 5ghz double antena. I use it only for 1 km and i think i need to attenuation signal. Now Its working like before with single 5ghz antena with G wifi card. I dont find where i can attenuation signal, can somebody help me ? im using ro...