The EDA4F4400P800E50 from ECHO Microwave is a Band Pass Filter with Frequency 4 to 4.8 GHz, Insertion Loss 2.5 dB, Rejection 50 dB @ 2400MHz, Return Loss 10 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F4400P800E50 can be seen below.