The EDA4F2900P800E12L from ECHO Microwave is a Band Pass Filter with Frequency 2.5 to 3.3 GHz, Insertion Loss 2.5 dB, Rejection 12 to 43 dB, Return Loss 13 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2900P800E12L can be seen below.