The SF1575002C from Filtronetics is a Band Pass Filter with Frequency 1573.42 to 1577.42 MHz, Bandwidth 4 MHz, Center Frequency 1575.42 MHz, Insertion Loss 0.9 to 1.5 dB, Upper Rejection 20 to 48 dB. Tags: Surface Mount, RF SAW Filter. More details for SF1575002C can be seen below.