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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
    -40~+75°C
Defend grade
    IP65
Relative humidity
    10%–95%
Atmospheric pressure
    86~106KPa
Circumstance noise
    less than 60dB(A)
Sound level of ringing
    >90dB(A)
Standard frequency
    697. 770. 852. 941Hz
Call transmission index
    (5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm.

 

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