The EDA4F2800P800E50 from ECHO Microwave is a Band Pass Filter with Frequency 2.4 to 3.2 GHz, Insertion Loss 2.5 dB, Rejection 50 dB @ 1000 to 2000MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F2800P800E50 can be seen below.