The ECA4060P340G50A from ECHO Microwave is a Band Pass Filter with Frequency 11.67 to 12.69 GHz, Insertion Loss 3.5 dB, Rejection 50 dB @ 10390MHz, Ripple 1 dB, Return Loss 14 dB. Tags: Cavity Filter. More details for ECA4060P340G50A can be seen below.