Optional expansion module based on EnOcean for expanding AGFEO system telephones (ST 42 / 42 IP / 45 / 45 IP) to a SmartHome central unit on ES communication systems. The radio transmitting and receiving module integrates EnOcean components into the SmartHome solution of the ES systems. A maximum of 10 units can be used per ES system. From ES system firmware version 1.5 and in conjunction with system telephone firmware >/= 1.4.
