RadioLINK Wireless Alarm Interconnection

  • 23/01/2018

The first wire free interconnect smoke alarms were launched into the residential market in 2004 as a cost effective and easy way to interconnect alarms. Brooks was the first company to introduce wireless smoke alarm interconnection in Australia and New Zealand.

Wireless alarm interconnection enables smoke alarms to be connected to each other without the need for cabling between the alarms. Instead, a Radio Frequency (RF) signal is used to trigger all the alarms in the system.

Hard wired interconnection can be time consuming and disruptive and, as a result, costly particularly in existing dwellings. However, the ability to interconnect alarms without hard wiring has made mains powered and battery operated alarms quicker and cheaper to install and has made interconnection itself more popular.

The safety benefits of alarm interconnection are obvious. In the event of one alarm detecting a fire, all interconnected alarms will go into alarm mode, sounding throughout the property. There’s not much chance of sleeping through that cacophony, whereas there is a very real danger that a heavy sleeper shut behind a bedroom door may not be woken in time by the alarm in the downstairs hallway. Interconnected alarms provide an earlier warning and the best chance of escape.

Wireless interconnection also makes it far simpler for landlords, specifiers and installers to make changes to a system to help meet the changing needs of different tenants. With so much emphasis being placed on individual risk assessment, this flexibility has got to become an integral part of system planning in the future.

Wireless interconnect smoke alarms can either be powered by 9 volt replaceable batteries, 10 year long life lithium batteries (which are non-removable and will power the alarm for more than 10 years which exceeds the service lifetime of the installed smoke alarm) or 230 volt mains which may provide some significant savings.

Wiring rules tip: Where interconnection is required between mains powered alarms, wired on different sub circuits ie: upstairs - - downstairs, main house, granny flat. Radio frequency communication is the safest and simplest complying solution available.

If you need help in interconnecting your alarms, read our article on ‘house coding your alarm’.


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Brooks is a family owned and operated Australian company who commenced operations in 1973. We have a wealth of knowledge and experience in the industry and are committed to providing quality, reliable products to safeguard you and your family.