The BFCN-2275 from Mini Circuits is a Band Pass Filter with Frequency 2.17 to 2.38 GHz, Bandwidth 210 MHz, Center Frequency 2275 MHz, Insertion Loss 3 dB, Rejection 20 dB @ 1800 and 3430 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-2275 can be seen below.