Use: In the UWO monitoring initiative, this new development allows us to communicate data wirelessly from sewer manholes at which we previously did not manage to transmit any data. Eleven prototypes are successfully in operation in the UWO since late 2018.
Availability: Source code and hardware specification is made freely available . License: GNU General Public License v3.0.
Acknowledgement: We thank Eawag for the financial support of this research (2016-2018).
 LoRa Alliance. (2015). LoRaWAN What is it? - A Technical Overview of LoRa and LoRaWAN. LoRa Alliance. Online available
 C. Ebi, F. Schaltegger, A. Rüst, and F. Blumensaat (2019). "Synchronous LoRa Mesh Network to Monitor Processes in Underground Infrastructure", IEEE Access, vol. 7, pp. 57663-57677. doi:10.1109/ACCESS.2019.2913985.
 In-Sewer LPWAN - A synchronous LoRa-based data communication protocol, github