The Silicon Labs LTE-M Expansion Kit is an excellent way to explore and evaluate the Digi XBee3 LTE-M cellular module which allows you to add low-power long range wireless connectivity to your EFM32/EFR32 embedded application.
EXP connector for interfacing Silicon Labs MCU and Wireless Starter Kits U-box CAM-M8Q GNSS receiver supporting GPS and GLONASS