Conexio Technologies' Stratus is an open source LTE-M/NB-IoT Cellular-IoT development kit based around Nordic Semi nRF9160. Stratus can charge battery from solar power & comes with 500 MB global data plan. Stratus will be available on Crowd Supply.
Nordic Semiconductor's nRF9160 is a low power LTE-M and NB-IoT wireless modem available in a small footprint System-in-Package and is targeted for Cellular IoT applications.
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