The TC0232A from Tai-Saw Technology is a SAW Resonator with Frequency 433.820 to 434.020 MHz, Centre Frequency 433.92 MHz, Insertion Loss 1.3 to 2 dB, Capacitance 3.9 pF, Voltage 12 V. Tags: Drop In, SAW Resonator. More details for TC0232A can be seen below.