The KNX ENO 634 device serves as a bidirectional gateway between EnOcean radio devices and the KNX bus. This device can be used to transmit commands and measured values from EnOcean radio sensors to the KNX bus, for example to control KNX actuators. The gateway also offers logic and control functions and includes a radio repeater. It has 32 channels. The device and the channels are configured using the ETS software via the KNX bus. The buttons and display in the device are used to teach in the radio components.