Band pass filter for VHF aeronautical frequencies from 118 to 138MHz. It allows perfect reception of the entire aeronautical band eliminating the problem of strong adjacent signals such as FM broadcasts from 88 to 108 MHz or other signals on different frequencies such as DAB, digital terrestrial, 5G, tetra, etc... The presence filter low insertion loss typical of 1dB over the whole useful band and an excellent return loss. The maximum applicable power is 30W. Available with N or SMA connectors.