The EDA4E2680P26K40 from ECHO Microwave is a Band Pass Filter with Frequency 2.67 to 2.69 GHz, Insertion Loss 5.5 dB, Rejection 40 dB @ 2610MHz, Return Loss 14 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4E2680P26K40 can be seen below.