The EDA3E3175P50P20 from ECHO Microwave is a Band Pass Filter with Frequency 3.15 to 3.2 GHz, Insertion Loss 8 dB, Rejection 20 to 30 dB, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA3E3175P50P20 can be seen below.