The ECA8800P250C60A from ECHO Microwave is a Band Pass Filter with Frequency 8.68 to 8.93 GHz, Insertion Loss 1.5 dB, Rejection 60 dB @ 8300MHz, Ripple 0.6 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA8800P250C60A can be seen below.