AT&T claims nationwide US IoT network, but it’s only LTE-M

US operator AT&T has hitched its IoT wagon to LTE-M, it seems, after announcing the completion of its nationwide LTE-M network ahead of schedule.
The launch comes a few weeks after rival operator Verizon claimed a similar feat for the low-power WAN technology also referred to as LTE Cat M1. Both operators are positioning LTE-M as a big deal in the context of IoT but many other global operators see NB-IoT as the real end goal.
This could be another example of US operators seeking to create th