The ECA815C860P18G27D35B from ECHO Microwave is a Band Pass Filter with Frequency 806 to 824 MHz, Insertion Loss 2 dB, Rejection 30 to 80 dB, Ripple 1.5 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA815C860P18G27D35B can be seen below.