The ECA4300P1400 B60AL from ECHO Microwave is a Band Pass Filter with Frequency 3.6 to 5 GHz, Insertion Loss 0.6 dB, Rejection 60 dB @ DC to 3100MHz, Ripple 0.5 dB, Return Loss 10 dB. Tags: Cavity Filter. More details for ECA4300P1400 B60AL can be seen below.