My cameras hardly 55 feet away from receiver without any interruption i have very weak signal and picture keep dropping and camera says out of range then picture comes back and lagging i try to put 40 feet away but different spot where i don't need works fine then i tried range extender i bought from lorex l have now 1 signal bar and some time 2 and on my second camera range extender not working at all i don't know the reason so weak signal problem is still there