Selecting a Field Device

Features of a good field device:

  • Unlocked global cellular coverage (5G, 4G, LTE)
  • IP67 or greater water resistant
  • Shock and dust resistant
  • Two methods of charging (USB-C and Qi wireless) for redundancy
  • Dual SIM - dual physical SIM, or eSIM and physical SIM for redundancy
  • Good battery life
  • Compact size to ensure it stays in the pocket
  • Clean operating system to minimize 'bloatware' and 'spyware' apps, and improve battery life
  • Bright screen for outdoor clarity
  • Large onboard storage for offline maps
Last updated: 03/04/2026