The ECA1950P60B60A from ECHO Microwave is a Band Pass Filter with Frequency 1.92 to 1.98 GHz, Insertion Loss 1 dB, Rejection 60 dB @ 2110 to 2170MHz, Ripple 0.6 dB, Return Loss 20 dB. Tags: Cavity Filter. More details for ECA1950P60B60A can be seen below.