Mainboard inputs: 16 pcs ; Mainboard outputs: 2 pcs ; Number of supported wireless detectors: max. 96 pcs ; Operating frequency range of the wireless devices: 868 MHz ; Built-in modules: 3G/4G module ; Main features: Emergency Power Supply : Place for battery 12 V / 7 Ah (not included) ; Power supply: 100 V ... 240 V AC ;