The IQXC-180 AUTO from IQD Frequency Products is a RF Quartz Crystal with Frequency 11 to 150 MHz, Frequency Stability ±15 to ±150 ppm, Frequency Tolerance ±10 to ±50 ppm, Drive Power Level 50 to 200 µW, Load Capacitance 8 to 75 pF. Tags: Ceramic. More details for IQXC-180 AUTO can be seen below.