Radio antenna in housing for individual installation 80x80x15mm or installation in the E-Design55 switch system. With 100cm cable. For screw fastening on device boxes with a screw spacing of 60mm, we recommend stainless steel countersunk screws 2.9x25mm, DIN 7982 C. 2 pieces each of stainless steel countersunk screws 2.9x25mm and dowels 5x25mm are included. The housing contains a radio antenna with a ground plane and a permanently connected antenna cable, approx. 100 cm long, with an SMA screw connection.