Features:, 5, 8 GHz 8CH RX module, Video scramble, ID addressing, Omni directional dipole antenna 3dBi, 8 channel selectable by switch, Built-in Bias-Tee 3, 3V/25mA for active antenna connection, Alarm output for siren or flashing Build-in alarm buzzer), Audio Output, Video Output, Technical Data:, Frequency Channels - 5725 ~ 5875 MHz, 8 CH, 5, 8G Bias-Tee - 3, 3V/25mA, RF Impedance - 50 , Video input - 1, 0 Vp-p Composite @ 75, Audio Input - 2, 0 Vp-p Typical, 3, 0 Vp-p Max, @ 600W, Alarm - NC/NO/COM (Dry Contact), Minimum Receiver Sensitivity -84dBm, Operation Temp, -10C ~ 50C, Storage Temp, -30C ~ 85C, Dimensions - 110 x 88 x 30mm (without Antenna), SKU: SUPN107