Be very gentle with me very new around here.... Strikes me that this is a relatively simple way to increase the size of a local star network. Make sure the module is configured correctly and apply power??
I assume this board will not be rebroadcasting the LoRaWAN way.
The line-of-sight distance of DRF1278DM can be 3~5KM. DRF1278DM can work in two different modes: standard mode and star network mode. In the standard mode DRF1278DM acts as transparent data radio modem which it communicates with the host at the preset data format without encoding / decoding needed. In start network mode, one module will be the configured to the central node and other modules are set to node modules. The communication between the central module and node module are bidirectional but the node modules can not talk with each other. Considering the long transmission range, this mode is very suitable for home automation and sensor network applications.
http://www.dorji.com/pro/rf-module/medium_power_tranceiver.html
Just putting my flame proof suit on. Forgive me I'm new.