The CA13750P500D60A from ECHO Microwave is a Band Pass Filter with Frequency 13.5 to 14 GHz, Insertion Loss 1.8 dB, Rejection 60 dB @ 900 to 13100MHz, Ripple 0.8 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for CA13750P500D60A can be seen below.