We have presented at the First Workshop on Telecommunications Engineering of the University of Granada our testbed that connects one LoRaWAN gateway to the TTN network and application servers through a 4G core network (EPC, Evolved Packet Core, implemented using OpenAirInterface5G)!
![](https://thethingsnetwork.org/media/posts/5bf8dc5442b44ab8a9947f797953971f.large.jpg)