The RSR-433.920-75-5035-TR from Raltron is a SAW Resonator with Frequency 433.845 to 433.995 MHz, Centre Frequency 433.92 MHz, Insertion Loss 1.9 dB, Capacitance 2.3 pF, Quality Factor Loaded 1500. Tags: Surface Mount, SAW Resonator. More details for RSR-433.920-75-5035-TR can be seen below.