The TC418E2-A from Tai-Saw Technology is a SAW Resonator with Frequency 417.925 to 418.075 MHz, Centre Frequency 418 MHz, Insertion Loss 1.5 to 2.5 dB, Capacitance 4.14 pF, Quality Factor Unloaded 6000. Tags: Drop In, SAW Resonator. More details for TC418E2-A can be seen below.