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Chiptech's innovative Standard Interface Device (SID) is fitted in the Aico Relay Base. This can be interconnected between up to 12 Aico mains powered photoelectric smoke detectors, or heat detectors, in a single dwelling and provides an alert to Chiptech's EVE base units.

The Aico Relay Base fitted with SID ensures that when smoke or heat is detected it will sound off simultaneously across all interconnected smoke/heat alarms, to alert the homeowner, as well as triggering a pre-alarm before sending a fire activation via the base unit through to the Alarm Receiving Centre. Aico Relay Base is supplied from Chiptech with the SID fitted and tested at factory. Mains powered smoke alarms can only be installed by a registered electrician. Ei 128RBU Hard Wired Relay Module with Battery Back Up.

The Aico Relay Base fitted with SID is compatible with a number of mains powered Aico products including:

Product information can be viewed on the Aico website:


  • Radio frequency: 869MHz.
  • Range: 300m+ typical in open air.
  • Battery: SID has a non-rechargeable, service replaceable battery.  SID battery life calculations, with typical use (1 activation every 30 days) indicates a battery life of 9-10 years.
    SID reports when its battery is at 20% capacity and will need to be replaced. It does not monitor the smoke alarm battery it is connected to; hence regular testing of the connected device is suggested to ensure its functionality.
  • Testing: SID communicates with the base unit every seven hours, and a failed to test report will be sent to the Alarm Receiving Centre if the base unit has not received multiple signals over a few days (typically set between 3-5 days).
  • Certification: AS 3786:2014 + A1:2015.