16 Zones radio receiver module for Advisor Advanced and Advisor Master centrals, totally supervised. BUS connection. 868Mhz Frequency (GEN2). Work temperature from 0ºC to 60ºC. 12Vcc Power source. Dimensions without antenna: 104 x 132 x 27 mm. Dimensions with antenna: 192 x 132 x 27 mm. Security grade 2 certified.