The RSR-372.000-75-5050-TR from Raltron is a SAW Resonator with Frequency 371.925 to 372.075 MHz, Centre Frequency 372 MHz, Insertion Loss 1.5 to 2.2 dB, Capacitance 1.8 pF, Voltage 10 V. Tags: Surface Mount, SAW Resonator. More details for RSR-372.000-75-5050-TR can be seen below.