The EDA6E3760P50E30 from ECHO Microwave is a Band Pass Filter with Frequency 3.74 to 3.79 GHz, Insertion Loss 2.2 dB, Rejection 30 to 60 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA6E3760P50E30 can be seen below.