Module Transceptor Power G 868 MHz. He supports up to 128 wireless zones and 32 controls, depending on the head office. He supports devices PowerG DSC. Compatible with the repeater PowerG (PG8920EU) to increase the scope. All the wireless detectors are totally supervised by the integrity of the communications. I consume: 35 mA. Dimensions: 161 x 161 x 50 mm.