The ECA8000P300D60K from ECHO Microwave is a Band Pass Filter with Frequency 7.85 to 8.15 GHz, Insertion Loss 2 dB, Rejection 60 dB @ DC to 6975MHz, Ripple 0.5 dB, Return Loss 16 dB. Tags: Cavity Filter. More details for ECA8000P300D60K can be seen below.