• Tel: 0086-755-27322952
  • Fax: 0086-755-27322197

More Details About Elevator Intercom


This Flush Mounted SOS Intercom is based on robust cold rolled steel body and provide a clear hands free, loud-speaking operation for any public area. It is designed to meet the needs of clients who experience loss through vandalism.

Ideal for elevators, lifts, hotels, schools, court houses, parking lots, hospitals, indoor buildings, gate entry, etc



Ambient temperature
Defend grade
Relative humidity
Atmospheric pressure
Circumstance noise
    less than 60dB(A)
Sound level of ringing
Standard frequency
    697. 770. 852. 941Hz
Call transmission index
    (5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm.


Enquiry For Elevator Intercom Weather Proof Help Point