The EDA4H3250P500F70 from ECHO Microwave is a Band Pass Filter with Frequency 3 to 3.5 GHz, Insertion Loss 3 dB, Rejection 70 dB @ 2000MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H3250P500F70 can be seen below.