The RSR-403.550-150-5050-TR from Raltron is a SAW Resonator with Frequency 403.475 to 403.625 MHz, Centre Frequency 403.55 MHz, Insertion Loss 2 dB, Capacitance 3.68 pF, Quality Factor Loaded 1000. Tags: Surface Mount, SAW Resonator. More details for RSR-403.550-150-5050-TR can be seen below.