Portfolio 5.5 – Water Meter with W.M-Bus communication 5.5 – Water Meter with W.M-Bus communication Easy Protector – Smoke Detector with W. M-Bus Easy Protector – Smoke Detector with W. M-Bus 24 Zenner CALTOS E – H.C.A. with W.M-Bus 24 Zenner CALTOS E – H.C.A. with W.M-Bus 1 2 3 … 35