Audio door phone JWAT412

emergencyfor elevatorsrugged

Features 1.DECG chip, with more outstanding sound, stronger anti-interference ability, digital automatic gain, no howling or intermittent call in the hands-free state.. 2.Robust housing, constructed of 304 stainless steel material. 3.Hands-free emergency phone. 4.Vandal resistant stainless steel keypad. 5.Connection: RJ11 screw terminal pair cable. 6.Self-made telephone spare part available. 7.CE, FCC, RoHS, ISO9001 compliant. Technical Parameters Voltage DC5V/1A Standby Work Current ≤300MA Frequency Response 250～3000 Hz Ringer Level ≥85dB(A) Corrosion Grade WF2 Ambient Temperature -20～+60℃ Atmospheric Pressure 80～110KPa Relative Humidity ≤95% Lead Hole 1-Ø10 Installation Embedded