Upgrading Dam Gauges from Verizon to Multi-carrier EtherSIM Special instructions for NCEM Dam Gauge Upgrade Short Range: Corbo 5 + Maxbotix sensor Download the Wiring Diagram Watch the How-to video Long Range: Corbo 12 + Senix TS30 or TS50 sensor Download the Wiring Diagram Watch the How-to video Questions?Contact support@greenstream.com