The Impera Alfa II serves as a controller for Biamp touch panels, providing easy control of all room functions. The Alfa II is equipped with three bi-directional RS-232 interfaces for sending commands to AV devices with feedback functionality. It is additionally equipped with 2 uni-directional RS-232 interfaces for sending commands to AV devices using serial or infrared communication. 24 GPIO are available for control of relays, switches and sensors. With its large offering of control interfaces, Impera Alfa II is a versatile AV control system for rooms of all sizes.