Abus FUBW50021 Notice D'utilisation page 24

Installation
Do not bend or touch the antenna when installing.
Fig. 1
When mounting the device, make sure that moisture does not get into the housing interior
as this could cause permanent damage. Use the template provided for drilling the holes for
the two fixing screws and the anti-removal wall contact (if required). [See Fig. 1 and 2].
Template
24
Optional for anti-removal wall
contact