This guide describes how to connect the EnviroPro "sub-surface" SDI12 soil moisture probes to the wildeye.
Specifically, this article describes connecting the EnviroPro to the a wildeye with SDI12 available through an M12 style waterproof connector. Applicable Wildeye connector codes include any with the "S" channel for SDI12, including for example: MAS, NACS.
For full instructions on using the M12 mating connector, see "Fitting M12 and M8 Connectors" in the wildeye help documents.