The EDA8F1200P20J15 from ECHO Microwave is a Band Pass Filter with Frequency 1.19 to 1.21 GHz, Insertion Loss 5 dB, Rejection 15 to 60 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA8F1200P20J15 can be seen below.