Power supplydc 12v modelgsm3g whats in the box1 power supply 1 x cable 1 x indoor antenna 1 x outdoor antenna 1 x mobile signal repeater impedance 50 50 materialcopper band width cm900 2100 max input power05 05e output power dbm20db frequency range mhzgsm3g 890 915925 960mhz 1920 19802110 2170 ul1920 1980mhz dl2110 2170mhz gain dbuplink ripple in band8db max input power without damage 70 40dbm noise figure db45db return loss 8 db tra