The RO3144E-2 from Murata is a SAW Resonator with Frequency 916.4 to 916.6 MHz, Centre Frequency 916.5 MHz, Insertion Loss 1.2 to 1.6 dB, Capacitance 3.8 pF, Quality Factor Loaded 780. Tags: Surface Mount, SAW Resonator. More details for RO3144E-2 can be seen below.