The ECA4300P600B60AL from ECHO Microwave is a Band Pass Filter with Frequency 4 to 4.6 GHz, Insertion Loss 0.6 dB, Rejection 60 dB @ DC to 3500MHz, Ripple 0.4 dB, Return Loss 16 dB. Tags: Cavity Filter. More details for ECA4300P600B60AL can be seen below.