The EDA4F2600P70I20 from ECHO Microwave is a Band Pass Filter with Frequency 2.57 to 2.64 GHz, Insertion Loss 4.5 dB, Rejection 20 to 40 dB, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2600P70I20 can be seen below.