Antenom Antenna Technologies is developing several waveguide cavity filters working at different frequency ranges.

WGCF-1090

1090 MHz Waveguide Cavity Filter for ADS-B and TCAS applications

ParameterParameterFrequency [MHz]MinTyp.MaxUnit
Pass BandCenter Frequency1090-1090-MHz
Pass BandInsertion Loss1086-1094-1.62dB
Pass BandVSWR1086-1094-1.41.8:1
Stop Band, LowerInsertion LossDC-10607590-dB
Stop Band, LowerVSWRDC-1060-20 or higher-:1
Stop Band, UpperInsertion Loss1115-30007590-dB
Stop Band, UpperVSWR1115-3000-20 or higher-:1