The TC434ED-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 pF, Quality Factor Unloaded 14500. Tags: Surface Mount, SAW Resonator. More details for TC434ED-A can be seen below.