IoT
CAT-1 BIS, eUICC, Fixed IP SIM, IoT, IoT Connectivity, IoT SIM, LTE-M, NB-IoT, Public IP SIM, Roaming SIM, SGP.32

NB-IoT vs LTE-M vs LTE Cat-1 bis (2025–26)

/ September 10, 2025

A comprehensive, eUICC-first guide comparing NB-IoT, LTE-M, and LTE Cat-1 bis for real IoT deployments. Includes power/latency realities, roaming, FOTA strategies, RF design notes, and multi-vendor module recommendations.