Централа PCS-70

​Централа
Equipped with three groups of 9P-DIN plugs for system connecting, normally it is workable for 35 units in each circuit,
Built-in feedback inhibition circuit,
Built-in Telephone Couple for telephone conference,
MIC on number restriction: 1/3/5/free;
Red indicator light on the MIC,
Auto-off function:
The microphone would close automatically in 30 seconds after making a speech