You'll need a long drill bit. I've drilled quite a few holes in Newmar roofs. So far all have been successfull. I've taken the factory tour quite a few times and have learned where the assemblers run wires, duct work, etc. For my voice and date boosters, I placed them at the rear of the coach roof. Both of these boosters are wireless inside the coach. I was able to come into the coach in the rear closet. Place the boosters on the rear closet wall so they are out of sight and mind.
2005 Newmar KSDP 3910 + GMC ENVOY XUV 37K lbs Moving Down The Road
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