The FMXMBS Series from Frequency Management International is a RF Quartz Crystal with Frequency 3.2 to 70 MHz, Frequency Tolerance ±30 ppm, Drive Power Level 100 to 1000 µW, Load Capacitance 8 to 60 pF, Shunt Capacitance 7 pF. Tags: Surface Mount. More details for FMXMBS Series can be seen below.