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Cellular IoT — NB-IoT, LTE-M, RedCap · Pro
As operators evolve toward 5G stand-alone (SA) deployments and gradually retire LTE infrastructure, the IoT ecosystem faced a gap. NB-IoT and LTE-M were tied to LTE; they continue to work in NSA architectures and where LTE is preserved, but they cannot be deployed on a pure 5G SA carrier. Meanwhile, full NR smartphone UEs are too capable, complex, and expensive for IoT use cases that do not need a hundred megabits of throughput. Rel-17 introduced RedCap (Reduced Capability NR) to fill the gap — a new UE class on NR with reduced complexity targeting the LTE-M / Cat-1 segment. RedCap is the…