The Aico Ei3000MRF Module allows for wireless interconnection and data extraction. Simply plug in to any 3000 Series alarm. The Aico alarm module is an optional add-on for use with the Ei3000 series of alarms. It enables wireless interconnections with up to 12 other SmartLINK/RadioLINK devices. The Aico SmartLINK Module interconnects up to 12 alarms and devices wirelessly to allow data extraction with other Aico products.