2SIM card serial IOT Gateway S372 Used in Charging Pile Based on 2 Simcard and Ethernet communication,more reliable and safety for charging Pile Satation remote monitoring and data acquisition. security monitoring system automatically measurement and control system RS485 data transmission Modbus RTU protocol Typically applications: BTS Monitoring, Security Alarm System applications, Supervision and monitoring alarm systems, Automatic monitoring system, Vending Machines security protection, Pumping Stations, Tanks, Oil or Water levels, Buildings and Real Estate, Weather Stations, River Monitoring and Flood Control, Oil and gas pipelines, Corrosion protection, Temperatures, water leakage applications, Wellheads, boat, vehicle, Energy saving, street lights control system, Valve controls, Transformer stations, Unmanned machine rooms, Control room application, Automation System, M2M, etc. Contact :[email protected] www.iot-solution.com skype:rtualarmsystem Tel： +86-755 29451836 Mobile：+86 135 7081 0254