2 buttons SIP Intercom with 2 voice channels (Audio Codecs: G.711, G.729, G.722) with 2 integrated microphones, 10W D-Class amplifier, Full duplex (AEC). Ethernet speed (RJ-45) 10/100 BASE-T. Relay outputs: Maximal voltage 30 V DC, Maximal current 1 A DC. Active output: 9V – 13V DC/700mA. Power supply with 802.3af (PoE) 48 V / 380 mA DC or Adaptor (100-230 V10%, 50/60 Hz / 12V DC, DC power supply 12 V / 2A DC). Dimensions: 217x109x83 mm (H x W x D), 242x136x83 mm (H x W x D) with a frame. Weight: max. 2000 g. Operating temperatures: from –40 to 131 ºF. Cover level: IP65, IP69K.