The HP8G-7D8G-CD-SMF from Quantic PMI is a High Pass Filter with a passband from 8 to 22 GHz. It has a cut-off frequency of 7.8 GHz (at 3 dB) and passband insertion loss of less than 1.5 dB. This filter has a passband ripple of less than 0.5 dB (peak-to-peak) and a rejection of 35 dB outside the passband. It can handle a CW input power of 5 W and has a passband VSWR of less than 2.0:1. This filter is available in a compact housing that measures 1.15 x 0.70 x 0.50 inches with SMA-male/female connectors.