The SAFFB1G58KE0F0A from Murata is a Band Pass Filter with Frequency 1574.42 to 1605.89 MHz, Center Frequency 1575.4 MHz / 1601.7 MHz, Insertion Loss 0.9 to 2 dB, Power 0.02 W, VSWR 1.30:1, 1.90:1. Tags: Surface Mount, RF SAW Filter. More details for SAFFB1G58KE0F0A can be seen below.