Wireless Router and several Range Extenders installed in a 30 room hotel.
All working on Channel 3.
Suddenly, Channel 3 disappears(?) and the router / repeaters cannot be seen.
Tried a couple of Wireless 'sniffer' programs with no luck at all.
Moved every device to Channel 8 and all working again.
For testing purposes, I moved some units back to Channel 3 and they disappeared again.
Does anyone have any ideas as to what might be going on?