The ECA1622P8H41A-DR from ECHO Microwave is a Band Pass Filter with Frequency 1.62 to 1.63 GHz, Insertion Loss 3.6 dB, Rejection 41 dB @ 1000 to 1617MHz, Ripple 3 dB, Return Loss 16 dB. Tags: Cavity Filter. More details for ECA1622P8H41A-DR can be seen below.