The CI 2580-200 is unique as it offers Comant patented technology providing 80 dB of VHF harmonic suppression. This allows Comant to offer VHF and GPS in one radome without the hassle of in-line filters. Not only is this the only WAAS GPS / VHF multifuntion antenna on the market today, this model was tested and passed demanding direct effects lightning environmental requirements. Gamma 3 WAAS allows for primary navigation using GPS for all phases of flight including precision LPV approaches.