... biggest manufactor in China for quartz crystal. Nominal frequency:3.2MHz to 100.000MHzOscillation mode:See below tableOperating temperature ... range-20--+70 (Typical), -10 ~ +60,-40 ~ +85, or specifyStorage ... at 25±2 (Typical), or specifyFrequency stability±50PPM over -20~70 (Typical), or specifyLoad capacitance:16pF, 18pF, 20pF, 30pF, ...