How It Works

Our range of School Lockdown / Alert Speakers are completely wireless or can be connected to your school network so they make the installation of a school lockdown system easy. Save costs as there's no need for costly power or additional cables to be installed around your school.

The ATS School Lockdown solution is one system that can provide the following functionality:

  • Control Class Change throughout your school with our range of internal and external high power sounders
  • Broadcast a Verbal Alert / Lockdown message at the press of a button
  • All School clocks are synchronised and tell the correct time
  • Public Address through desk mounted microphone or mobile smart phone app (downloadable from the App Store / Google Play)
  • Play music from your PC / Internet Radio
Sigma Wireless Class Change & Lockdown / Alert System
Sigma IP Class Change and Alert and PA system

The Sigma Master clock is the integral part our of system, we have 2 versions of master clocks each can be setup to provide the following functionality when complemented with our range of wireless / IP sounders :-

Sigma IP/ PoE Bell Class Change and Alert and PA system

  • Class Change Which can be zoned through to different Key stages within your school
  • Instant Lock Down message
  • Public Address
  • Alert
  • Play music or radio through out the school
  • Synchronise DHF school indoor & outdoor clocks (Click here to see our range)

Sigma DHF Wireless System

  • Class Change Which can be zoned through to different Key stages within your school
  • Lock Down message
  • Alert
  • Synchronise DHF school indoor & outdoor clocks (Click here to see our range)