The AXUM4 from AXTAL is a RF Quartz Crystal with Frequency 11 to 180 MHz, Frequency Stability ±3 to ±50 ppm, Frequency Tolerance ±5 to ±50 ppm, Drive Power Level 100 µW, Load Capacitance 5 to 50 pF. Tags: Surface Mount, Thru Hole. More details for AXUM4 can be seen below.