The BP0AA3580A7 from KYOCERA AVX is a Band Pass Filter with Frequency 2.943 to 4.351 GHz, Center Frequency 3.58 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 BP0AA3580A7 can be seen below.