The EDA4H2725P40F70 from ECHO Microwave is a Band Pass Filter with Frequency 2.71 to 2.75 GHz, Insertion Loss 3 dB, Rejection 70 dB @ 2455 to 2495MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4H2725P40F70 can be seen below.