Anonymous4 years ago000How do I install the unit? How do I get the cable from outside to inside? Is there a special device for windows or do I drill a hole in the wall? Show in original language (German)chrigel104 years ago • purchased this product000purchased this productFor the cable, you need to drill a hole in the wall or window frame. The unit is attached to the wall with a bracket supplied.Show in original language (German)Comment