The IQXC-49 from IQD Frequency Products is a RF Quartz Crystal with Frequency 8 to 125 MHz, Frequency Stability ±10 to ±50 ppm, Frequency Tolerance ±10 to ±50 ppm, Drive Power Level 50 µW, Load Capacitance 8 to 75 pF. Tags: Surface Mount, Ceramic. More details for IQXC-49 can be seen below.