The EDA4E1842P75G30 from ECHO Microwave is a Band Pass Filter with Frequency 1.8 to 1.88 GHz, Insertion Loss 3.5 dB, Rejection 10 to 30 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E1842P75G30 can be seen below.