It sounds like your Cisco router 3945 may be experiencing an issue where the internet connection fails to initialize properly after a reboot or power outage. This could be due to a configuration problem, interface flapping, routing or NAT issues, or ...
To mount both a base antenna and an access point in an exposed ceiling:Secure a backbox to the ceiling structure using appropriate anchors.Run conduit and threaded rods from the ceiling down to the backbox for cable routing.Attach a suitable mounting...