The TC0140E from Tai-Saw Technology is a SAW Resonator with Frequency 303.8 to 303.95 MHz, Centre Frequency 303.875 MHz, Insertion Loss 1.5 to 2.5 dB, Capacitance 4.85 pF, Quality Factor Unloaded 6000. Tags: Drop In, SAW Resonator. More details for TC0140E can be seen below.