The BP0EA4583A7 from KYOCERA AVX is a Band Pass Filter with Frequency 3.521 to 5.979 GHz, Center Frequency 4.583 GHz, Insertion Loss 1.6 dB, Rejection 30 to 40 dB, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Ceramic Filter. More details for BP0EA4583A7 can be seen below.