The TC0170C from Tai-Saw Technology is a SAW Resonator with Frequency 433.820 to 434.020 MHz, Centre Frequency 433.92 MHz, Insertion Loss 1.6 to 2.5 dB, Capacitance 2.63 pF, Voltage 12 V. Tags: Surface Mount, SAW Resonator. More details for TC0170C can be seen below.