The TC433H2-A from Tai-Saw Technology is a SAW Resonator with Frequency 433.905 to 434.055 MHz, Centre Frequency 433.98 MHz, Insertion Loss 1 to 2 dB, Capacitance 3.2 pF, Quality Factor Unloaded 14500. Tags: Drop In, SAW Resonator. More details for TC433H2-A can be seen below.