The CR101/U-Series from Wi2Wi is a Space Qualified Crystal with a frequency range of 7-20 MHz. This MIL-PRF-3098 qualified crystal has a frequency tolerance of +/- 50 ppm (operating temperature range) and has a maximum drive level of 1.0 mW. It has a load capacitance of 30 pF and a shunt capacitance of 7 pF. The crystal has an operating temperature range of -55 to +105 degrees and an aging of +/- 5 ppm. It comes in a hermetically sealed case that measures 10.67 x 6.73 mm. This crystal is ideal for various applications in military, avionics, and space.