The RO3300E from Murata is a SAW Resonator with Frequency 403.47 to 403.62 MHz, Centre Frequency 403.55 MHz, Insertion Loss 1 to 2 dB, Capacitance 4.2 pF, Quality Factor Loaded 768. Tags: Surface Mount, SAW Resonator. More details for RO3300E can be seen below.