b'319.5 MHZW I R E L E S SS E N S O R S319.5 MHZ WIRELESS SENSORSVersatile319.5 MHz Frequency CompatiblewithmanypopularsystemsincludingELKsM1Controls IdealforservicingexistingInterlogixsystemsinneedofreplacementsensorsReliableMaxOut Technology MaximumRFpoweroutput Increasedcoverage Extendedbatterylife Superiorperformance$ EconomicalExceptional Quality, Low Cost Competitivelypriced BuilttheELKwayforyearsofreliableservice Usescommonbatteriesforconvenienceandlowermaintenancecosts42'