The BP0EA3430A7 from KYOCERA AVX is a Band Pass Filter with Frequency 2.640 to 4.460 GHz, Center Frequency 3.43 GHz, Insertion Loss 1.8 dB, Rejection 30 to 40 dB, Upper Rejection 30 to 40 dB. Tags: Surface Mount, Ceramic Filter. More details for BP0EA3430A7 can be seen below.