With a weight of less than one kilogram (<2.2 lb), the LTE-capable notebook for business users is worth a more detailed look. Our test will show whether the Fujitsu Lifebook U939 is not only light, but also able to deliver some performance.
https://www.notebookcheck.net/Fujitsu-Lifebook-U939-Laptop-Review-A-compact-business-notebook-with-LTE.481035.0.html