The EDA4F2350P50G30 from ECHO Microwave is a Band Pass Filter with Frequency 2.33 to 2.38 GHz, Insertion Loss 3.5 dB, Rejection 30 dB @ 2300 MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2350P50G30 can be seen below.