Bosch PVA-15CST Call station for the PAVIRO system, gooseneck, microphone with pop shield and permanent monitoring, Call station with soft touch button for PAVIRO system, 15 freely programmable buttons, Customization via built-in display and keys, Provision for installing emergency button and key switch, EN 54-16 system certification, 1 CST BUS port (Control data + Audio + Power supply, RJ-45), 1 audio source (line level, phone jack), 1 microphone port (phone jack), 15-58 V DC Power Input.