The SAFFB1G56AC0F0A from Murata is a Band Pass Filter with Frequency 1.574 to 1.605 GHz, Center Frequency 1575.4 MHz / 1561.1 MHz /1601.7 MHz, Insertion Loss 1.1 to 2 dB, Power 0.02 to 0.31 W, VSWR 1.20:1, 1.80:1. Tags: Surface Mount, RF SAW Filter. More details for SAFFB1G56AC0F0A can be seen below.