School Broadcasting System - Digital And Push Button Types | Centralized Announcements, Monitored Classrooms, 100% Cross-talk Free

We have been manufacturing and marketing two types of School Broadcasting Systems, Digital and Push Button types, meant for the Principal of the school to communicate with the students. It also helps in monitoring the activities of the classrooms from the desk of the Principal's office. The utility of such a system can be described as below:

* Making announcements to any or all classrooms
* Relaying recorded speech/lessons to the classrooms
* Organise prayer in the classrooms in extreme weather conditions
* Monitoring classroom activities if required

Salient Features :
a. Announcement From one control point
b. Relaying/Recording With the help of tape-recorder, you can record the music/speech
c. Expansion Provision for 15/30/45/60/80/100/120/150 rooms
d. Single Operation By pressing single button, system will be on 100% loading
e. Cross-talk System is 100% cross-talk free
f. Secrecy Handset can be used for secrecy while some meeting is going on
g. Monitor Control Through this system one can monitor the outgoing and incoming sound with volume control
h. Visual Indications Outgoing and incoming calls can be visualized through L.E.D.s
i. Cabling Two core shielded cable is being used
j. Stand-by-power supply Automatic change over to battery incase of power failure