RPT1+ Wireless repeater; For extending the operating range of wireless devices; Compatible with MG/SP control panel (except SP4000) Device selectivity (ability to choose which device to extend the operating range of); 1 programmable 5A relay output; Up to 75m (433MHz) and 50m (868MHz); 0 to 50 °C. In addition, a transformer 20VA and a battery are required.