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

WIZnet Inc WIZ830MJ Networking Module, 10/100 Base-TX, Supported Bus Interfaces: MCU, Supply Voltage: 3.3V, Dimensions: 34 x 50 x 13.5mm, Length: 50mm, Maximum Operating Temperature: +70 °C, Width: 34mm

WIZnet Inc NM7010B+ Fiber Optic Converter, 10/100 Base-T, RJ45, Supported Bus Interfaces: I2C, MCU, Supply Voltage: 3.3V, Dimensions: 25 x 48 x 13.4mm, Length: 48mm, Maximum Operating Temperature: +70 °C, Width: 25mm

Ethernet Controller 10/100 Base-T/TX PHY SPI Interface 48-LQFP (7x7)

Ethernet Controller 10/100 Base-T/TX PHY SPI Interface 48-LQFP (7x7)