VHF preamplifier for the 2 meters band operating from 144 to 148 MHz with integrated VOX circuit, bias tee and on board coaxial relays capable of working without any external accessory up to 100W. It has been designed to have the highest quality in all the foreseen modes: satellite, contest, dx and eme. Input 88-108MHz notch filter. Low noise figure ( typ. 0,25dB ). Latest generation circuit and components.