The SAFFB1G56KB0F0A from Murata is a Band Pass Filter with Frequency 1559.05 to 1605.89 MHz, Center Frequency 1561.1 MHz / 1575.4 MHz /1601.7 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 SAFFB1G56KB0F0A can be seen below.