NSG-200 additional signaling device AP i2Audio white. Secondary signaling device as multi-tone call for intercom system according to DIN EN 50486 in i2Audio technology. Consists of a surface-mounted device (flat design) made of plastic (ABS) and for parallel connection of indoor station. Free assignment of ring tones to door, floor or internal calls. 12 harmonious ring tones (including 6 gong tones) and ring volume adjustable. Address setting via rotary switch, connection for a floor call button and floor call forwarding via the bus.