The BFCN-1575 from Mini Circuits is a Band Pass Filter with Frequency 1.53 to 1.62 GHz, Bandwidth 90 MHz, Center Frequency 1575 MHz, Insertion Loss 3 dB, Rejection 20 dB @ 1290 and 2220 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for BFCN-1575 can be seen below.