The EDA4F1296P20F50 from ECHO Microwave is a Band Pass Filter with Frequency 1.29 to 1.31 GHz, Insertion Loss 3 dB, Rejection 3 to 50 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F1296P20F50 can be seen below.