Unpacked, wall-mounted, set on laptops Gigaset (a checkbox) and rolling! Before installation, check that the Gigaset are not set in "Eco" mode (uncheck if such is the case) and test 2 or 3 locations to get the best signal. Taking the test range with a Gigaset without going below 2 bars for reception. That's it! NOTHING wrong qqes after months of use.