Below are the steps to connect your tablet to cellular broadband via sim card

1. Tap the Wireless network icon in the bottom-right corner of the screen, tap Cellular to turn it on, then
   tap-hold it and tap Go to Settings. (Or, tap windows icon / Settings / Network and Internet / Cellular.)
2. Under Cellular, select the name of your operator—for example, AT&T.
3. If you want to connect to this network every time it’s in range, select Connect automatically.
4. Windows will switch automatically between Wi-Fi and cellular broadband as needed. You might incur extra
   charges if you allow roaming.
5. Tap Connect.

For additional information please see the Trimble Support Bulleting which contains link to Microsoft technical bulletins.