Specifications:Feedback Voltage: 48V DC, 25mA minimumRinging Voltage:90V 25Hzdialing tone frequency: 450HzPower supply:110/ 220VAC, 50/60Hz Advantages:YX-900 adapater is designed for those applications which the public telephony network is difficult to reach. It can convert the GSM sinals to DTMF/FSK signals. The output interface is a standard RJ11 port.Functions description
