The EMA8F1475P50J40DL from ECHO Microwave is a Band Pass Filter with Frequency 1.45 to 1.5 GHz, Insertion Loss 5 dB, Rejection 25 to 40 dB, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EMA8F1475P50J40DL can be seen below.