The UM1 from IQD Frequency Products is a RF Quartz Crystal with Frequency 6 to 175 MHz, Frequency Stability ±5 to ±100 ppm, Frequency Tolerance ±5 to ±100 ppm, Drive Power Level 1 mW, Load Capacitance 10 to 75 pF. Tags: Thru Hole, Surface Mount. More details for UM1 can be seen below.