The BFCN-8450 from Mini Circuits is a Band Pass Filter with Frequency 8.35 to 8.55 GHz, Bandwidth 200 MHz, Center Frequency 8450 MHz, Insertion Loss 1.6 to 3.5 dB, Rejection 20 dB @ 7500 and 9800 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-8450 can be seen below.