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CST partners with world-class companies to design and manufacture a wide range of wireless components and finished products across the radio spectrum using various transmission modes specifically…

Analogue Radios

Perfect for the on-the-go workforce, analogue two-way radios offer excellent performance combined with great value. If you're looking for a simple, practical solution, then analogue could be for you.…

ATEX Radios

ATEX radios are reliable communication devices, even in hazardous environments where explosive gases and combustible dust are likely to occur.

Broadband and Multi-mode Radios

LTE & Multi-Mode Radios provide unmatched efficiency and performance in critical communications. Smart radios enable users to push the boundaries of push-to-talk communication further than ever…

Digital Mobile Radios (DMR)

Digital Mobile Radio (DMR) is an open digital radio standard, ideal for users who need instant and secure communication. DMR has received global recognition as a technology that combines voice, data,…

Repeaters and Fixed Base Stations

Enhance the range on your two-way radio device with our range of repeaters.

Contact us

Get in touch and find out how our critical alerts, paging, two-way radio and call button solutions could help you protect productivity and provide an improved customer experience.

Case Studies

We work with customers in a range of sectors to deliver critical alerts, paging, two-way radio, call button and communication solutions. Find out more.

About Us

Call Systems Technology provide seamless communication solutions including critical alerts, paging, two-way radio and call buttons for a range of industries. Find out more about us.


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