50-54MHz VHF coaxial preamplifier with vox 100W

Innovative UHF coaxial UHF preamplifier for 6 meters bands. It works from 50 to 54 MHz with VOX circuit. You can use it with 100W. Coaxial relay on board. Perfect for EME, SAT, CONTEST and TROPO. Very low noise number (0.35 dB max with ON relay) It is possible to supply via coaxial cable.