The AH180-020180 from AtlanTecRF is a stripline hybrid coupler providing 180 degree phase shift over the 2 – 18 GHz frequency range. It also offers in-phase outputs from two combined signals with a maximum amplitude unbalance of ± 1.2 dB, and maximum phase unbalance of 12 degrees. The ultra-broadband coupler has a maximum insertion loss of only 2.0 dB while achieving a minimum of 15 dB isolation, and typical VSWR ratio of 1.5:1.