Which SIM types will be used for NB-IoT devices?
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Deutsche Telekom supports all current SIM formats, including the embedded SIM Form Factor (MFF). eSIM as of eUICC currently does not fit with the NB-IoT business model due to high costs. Instead, a more suitable option for NB-IoT use-cases is nuSIM, which is currently in launch preparation. Find out more about nuSIM.