The ECA4620P40D80A from ECHO Microwave is a Band Pass Filter with Frequency 4.6 to 4.64 GHz, Insertion Loss 2 dB, Rejection 55 dB @ 4580 dB @ 4660MHz, Ripple 1 dB, Return Loss 20 dB. Tags: Cavity Filter. More details for ECA4620P40D80A can be seen below.