Silicon Labs LTE-M Expansion Kit Digi XBee3 LTE Expansion Module for Digi XBee3 SLEXP8031A Silicon Labs LTE-M Expansion Kit Digi XBee3 LTE Expansion Module for Digi XBee3 SLEXP8031A, Technology: 3G Cell Module, MPN: SLEXP8031A_SIL GBP 17.03 1