The ECA1487P115B40A from ECHO Microwave is a Band Pass Filter with Frequency 1.43 to 1.55 GHz, Insertion Loss 0.6 dB, Rejection 40 dB @ DC to 1330MHz, Ripple 0.4 dB, Return Loss 16 dB. Tags: Cavity Filter. More details for ECA1487P115B40A can be seen below.