The ECA21500P7000D60K from ECHO Microwave is a Band Pass Filter with Frequency 18 to 25 GHz, Insertion Loss 2 dB, Rejection 60 dB @ DC to 16200MHz, Ripple 0.5 dB, Return Loss 10 dB. Tags: Cavity Filter. More details for ECA21500P7000D60K can be seen below.