The SiT1421 from SiTime is a SAW Resonator with Frequency 119.342 to 137 MHz, Capacitance 4.7 nF, Voltage 1.62 to 3.63 V, Operating Temperature -40 to 150 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Drop In. More details for SiT1421 can be seen below.