It allows the diversion of calls from entrance stations, when they cannot be answered from the system's monitor station, to telephones with DTMF dialing (tones), mobile telephones and wireless telephony. It includes a 2 m long connection cable to the central. Operating temperature 0ºC to 40ºC. 24 V DC power supply. Maximum consumption of 115 mA. Dimensions 58 x 106 x 90 mm.