The TC434E2-A from Tai-Saw Technology is a SAW Resonator with Frequency 434.345 to 434.495 MHz, Centre Frequency 434.42 MHz, Insertion Loss 1 to 2 dB, Capacitance 3.3 pF, Voltage 12 V. Tags: Drop In, SAW Resonator. More details for TC434E2-A can be seen below.