The EDA4F5000P220F42 from ECHO Microwave is a Band Pass Filter with Frequency 4.89 to 5.11 GHz, Insertion Loss 2.8 dB, Rejection 42 dB @ 4600MHz, Return Loss 15 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F5000P220F42 can be seen below.