Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series.Onboard Ethernet to UART transparent transceiver, 2-CH UART, standalone transparent transmission for each channel.Onboard jumpers for pin configurations Embedded Ethernet MAC and PHY layers.Bi-direction transparent data transmission between UART and Ethernet.10/100M, full-duplex/half-duplex auto-negotiation Ethernet interface, 802.3-compliant Auto-MDI/MDIX, detect and switch cable type automatically.Supports DHCP auto-obtained IP and DNS domain access.Network parameter configuration like chip operating mode, port, IP, via host computer software or UART command Four operating modes: TCP CLIENT, TCP SERVER, UDP CLIENT, UDP SERVER.Full-duplex or half-duplex UART communication, supports RS485 RX/TX auto switch (external RS485 controller required) Supports virtual serial port software (provided).KEEPALIVE mechanism support.Comes with development resources and manual (examples for Pico/Raspberry Pi/Arduino/STM32)