The RO3164E-3 from Murata is a SAW Resonator with Frequency 868.27 to 868.42 MHz, Centre Frequency 868.35 MHz, Insertion Loss 1.3 to 2 dB, Capacitance 1.6 pF, Quality Factor Loaded 4000. Tags: Surface Mount, SAW Resonator. More details for RO3164E-3 can be seen below.