The ECA6790P170D72A from ECHO Microwave is a Band Pass Filter with Frequency 6.71 to 6.88 GHz, Insertion Loss 1.75 dB, Rejection 72 dB @ 6490MHz, Ripple 0.75 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA6790P170D72A can be seen below.