The B160KA1S from Knowles is a Band Pass Filter with Frequency 15.75 to 16.25 GHz, Bandwidth 500 MHz, Center Frequency 16 GHz, Insertion Loss 2.75 to 3 dB, Rejection 40 to 45 dB. Tags: Surface Mount, Ceramic Filter. More details for B160KA1S can be seen below.