SM-ETHERNET Nidec Control Techniques Communications Module
LAN8720 Network Module Ethernet Transceiver RMII Interface Development Board Smart Electronics for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: waveshare TTL UART to Ethernet Mini Module,Supports TCP Server/TCP Client/UDP Multicast/UDP Mode, Modbus Gateway, Web and Host Computer Configuration, NTP Protocol : Electronics
ENC28J60 Ethernet LAN Network Module For 51 AVR STM32 LPC
Amazon.com: 2-Channel UART To Ethernet Converter, Serial Port Transparent Transmission Module UART TTL and RJ45 Ethernet Bi-Directional Transmission, with Control Pin for Raspberry Pi/Arduino/STM32,ect. : Electronics
Magnetic AutoControl Ethernet Module (Installed) - EM01 - Controller Units - Parts and Accessories | Magnetic AutoControl Gate Openers
ENC28J60 Ethernet Board Accessory board used for connecting microcontrollers to the Ethernet network, RJ45 connector, SPI interface