The EDA4F5850P100H40 from ECHO Microwave is a Band Pass Filter with Frequency 5.8 to 5.9 GHz, Insertion Loss 4 dB, Rejection 40 dB @ 6100MHz, Return Loss 12 dB. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for EDA4F5850P100H40 can be seen below.