Cellular phones standards Cdma:850-894 MHz, Gsm:925-960 MHz, Gsm1800-1900:1805-1990MHz, 3g: 2110-2170 MHz, Gps:1500-1600MHz, (optional) Wifi:2400-2500MHz. (optional) (you can select four bands from above. We adjust the frequency according to different country.) Out put power: 80Watt.( For customization, you can select the out put power.) Shielding Radius:up to 150 meters (signal <=-75dbi in the application place.) Power supply voltage: ~230vac / ~110vac +24vdc Weight (without antennae): up to 30kg Dimension (not including antennae) 36.5*25*48cm Cooling system Active "smart" with integrated incoming air filter Waterproof design Antennae type External high gain directional (standard) External high gain Omni directional (optional) Antenna gain 3-4 dBi (Omni Antenna) Directional Antenna Up to 7-8 dBi (optional) Directional Antenna Number Up to 2pcs Omni Antennae number Omni Antenna 3-4pcs