The G90-086/64.LF from JQL Technologies is a Bandpass Cavity Filter that operates from 27.5 to 28.5 GHz. It has a passband insertion loss of 1 dB and a passband return loss of over 18 dB. This filter has a maximum passband ripple of 1 dB and a rejection of 13-60 dB. It is available in a package that measures 81.1 x 49.5 x 17 mm and has R260 for all its ports.