The ECA1405P90C40B from ECHO Microwave is a Band Pass Filter with Frequency 1.36 to 1.45 GHz, Insertion Loss 0.5 dB, Rejection 40 dB @ 1480 to 2700MHz, Ripple 0.3 dB, Return Loss 18 dB. Tags: Cavity Filter. More details for ECA1405P90C40B can be seen below.