The BFCN-2910 from Mini Circuits is a Band Pass Filter with Frequency 2.85 to 2.97 GHz, Bandwidth 120 MHz, Center Frequency 2910 MHz, Insertion Loss 7 dB, Rejection 20 dB @ 1600 and 4200 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-2910 can be seen below.