The CX1HT EXT from IQD Frequency Products is a RF Quartz Crystal with Frequency 530 KHz to 2.1 MHz, Frequency Tolerance ±500 to ±10, 000 ppm, Drive Power Level 3 µW, Load Capacitance 7 pF, Shunt Capacitance 1.1 pF. Tags: Surface Mount. More details for CX1HT EXT can be seen below.