This device is used to colled data from local network of RS-485/Modbus connected devices and transmit to Internet server via WiFi or Ethernet connection. The hub contains two RS-485 ports for local network, one Ethernet port and 1 WiFi antenna. The device can act as a network master or slave mode. Any type of data can be gathered: temperature, humidity, voltage, etc. from either digital or analog sensors. The server can be placed in Internet or locally at customer site. The system is very expandable.