The RSR-319.508-150-5035-TR from Raltron is a SAW Resonator with Frequency 319.433 to 319.583 MHz, Centre Frequency 319.508 MHz, Insertion Loss 2.5 dB, Capacitance 1.92 pF, Quality Factor Loaded 1000. Tags: Surface Mount, SAW Resonator. More details for RSR-319.508-150-5035-TR can be seen below.