The BFCN-3085 from Mini Circuits is a Band Pass Filter with Frequency 2.8 to 3.4 GHz, Bandwidth 600 MHz, Center Frequency 3085 MHz, Insertion Loss 1.65 to 3 dB, Rejection 20 dB @ 4250 and 7800 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-3085 can be seen below.