The EDA4F1350P100D50 from ECHO Microwave is a Band Pass Filter with Frequency 1.3 to 1.4 GHz, Insertion Loss 2 dB, Rejection 50 dB @ 1150MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F1350P100D50 can be seen below.