The SAFFB1G56KB0F5F from Murata is a Band Pass Filter with Frequency 1559.05 to 1605.66 MHz, Center Frequency 1575.4 MHz, Insertion Loss 0.9 to 1.9 dB, Power 0.01 W, VSWR 1.30:1, 2.00:1. Tags: Surface Mount, RF SAW Filter. More details for SAFFB1G56KB0F5F can be seen below.