The EMA5F1747P75F30DL from ECHO Microwave is a Band Pass Filter with Frequency 1.71 to 1.79 GHz, Insertion Loss 3 dB, Rejection 30 to 37 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA5F1747P75F30DL can be seen below.