The 19558 from Microwave Filter is a Ku-Band Bandstop Filter which provides deep rejection of the transmit band with minimal effect on the receive band. It has a stop band from 12.75 to 14.50 GHz with an isolation of over 80 dB and a passband from 10.7 to 11.7 with an insertion loss of 0.2 dB and VSWR of 1.25:1. The filter is available in a module that measures 3.25 x 1.5 x 1.5 inches with WR-75 flanges.