cortex-based arduino compatible platform. It’s 3.3v but the pins can handle 5v signals
Pi-clone with onboard 2G for 10 euro. Might be suitable for a non-WiFi gateway?
Arduino MKRFOX1200
MKRFOX1200 is a powerful board that combines the functionality of the Zero and SigFox connectivity. It is the ideal solution for makers wanting to design IoT projects with minimal previous experience in networking having a low power device
Ståle Pettersen, Semtech’s VP and a LoRa Alliance board member, explained that v2.0 of the LoRaWAN spec would introduce new categories of device roaming, so that devices have the ability to roam between the base stations provided by different LoRa network operators. In practice, this means that a tracked vehicle could report on the public LoRa network run by a MNO, but also fall back to a private or hybrid-private network run by a utility – provided that the private network allows that in their network configuration.
Another kid on the block.
handy list I found for the non-native speakers (like me 
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