WIZnet Inc WIZ120SR Networking Module, 10/100 Ethernet, RS232, Serial
WIZnet Inc WIZ120SR Networking Module, 10/100 Ethernet, RS232, Serial, Supported Bus Interfaces: UART, Supply Voltage: 3.3V, Dimensions: 30 x 50 x 8.85mm, Length: 50mm, Maximum Operating Temperature: +70 °C, Minimum Operating Temperature: -20 °C, Width: 30mm, MPN: HOF06630