Alarm Signalling

Our simple and reliable alarm signalling products offer a professional and trusted solution for every grade of risk. They enable the safe delivery of alarms and data from the protected premises to the Alarm Receiving Centre.

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Connecting over 80% of the high street

Our simple and reliable alarm signalling products offer a professional and trusted solution for every grade of risk. They enable the safe delivery of alarms and data from the protected premises to the Alarm Receiving Centre.

Our award-winning and patented alarm signalling solutions allow us to provide the very best level of service to our customers. From supermarkets and retailers to banks and businesses, if your premises are monitored by an alarm signalling solution there's a very high chance it's one of ours!  

Connected to the emergency services via a network of leading Alarm Receiving Centres, CSL manages millions of alarm signals every month to ensure the right information gets to the right people.

Discover Our Alarm Signalling Range

4G & Wi-Fi Signal Analyser

Install with confidence! Identify the optimum location for your connected device prior to installation.

Our Signal Analyser is designed to relay accurate and essential data, to ensure the best position for your installation every time. It searches all the local base stations to give you an accurate reading of the major networks available, measuring and displaying radio technology, signal quality and radio signal strength. It provides information for 4G, 3G and 2G technologies and can also perform local Wi-Fi (2.4Ghz) surveys.

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