The ECA9050P900B60A from ECHO Microwave is a Band Pass Filter with Frequency 8.6 to 9.5 GHz, Insertion Loss 1 dB, Rejection 60 dB @ 7000 to 8100MHz, Ripple 0.6 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA9050P900B60A can be seen below.