The BP0805A3500ASTR from KYOCERA AVX is a Band Pass Filter with Frequency 3.4 to 3.6 GHz, Bandwidth 200 MHz, Center Frequency 3500 MHz, Insertion Loss 1.3 dB, Upper Rejection -25 to -15 dBc. Tags: Surface Mount. More details for BP0805A3500ASTR can be seen below.