The CX4HG from IQD Frequency Products is a RF Quartz Crystal with Frequency 14 to 50 MHz, Frequency Stability ±10 to ±100 ppm, Frequency Tolerance ±100 ppm, Drive Power Level 200 µW, Load Capacitance 10 pF. Tags: Surface Mount, Ceramic. More details for CX4HG can be seen below.