Industrial Serial to Ethernet
Those items are widely used in industrial application and designed to make serial device network ready in an instant and communicate to multiple serial devices simultaneously across network.
Operating Temperature: -40~85C
Modbus Gateway: Modbus RTU to Modbus TCP, support Modbus Polling
Web Server: Web Socket, which can be modified to web controller
Flow control: RTS/CTS hardware & XON/XOFF software flow control