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
The Hands-free Telephone usually used in elevators, pharmaceutical factories, building intercoms and other environments with special requirements
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.