Features: Furthermore clock highprecision TCXO design, DIP package accuracy 0.1-0.5ppm. Let One can apply in high requirements, such as GPSclock, LTEdata analysis. Scenario for GPSApplications and other situations require highprecision clock Before shipment through professional test equipment, allowing you to use assure. the need for highprecision clock designed to meet the demand for highprecision clock One of the birth. Specifications: Applications: One External Clock Scenario: for GPSApplications and other situations require highprecision clock Accuracy： 0.1ppm (room temperature 0-25degrees) Size: approx 2.6X2.1X0.9CM/1.02x0.83x0.35in Package Includes: 1pc x Module note: 1.Under the influence of light and the display, the color difference may decrease slightly. 2.Due to manual measurement, please allow size differences about 0-2cm. Thank you for your understanding.