1. Note: Modbus is not supported! Available working modes: TCP Server, TCP Client, UDP Server, UDP Client, HTTPD Client (supports GET and POST). Configurable via webpage, AT commands, serial protocol, and network protocol, provides configuration protocol which can be integrated into your own software. 2. KeepAlive mechanism detects broken connections and autoreconnects. Firmware is upgradable via the network. Restore to factory settings via software and/or hardware. 3. Supports heartbeat packets to ensure truthful connections and retrieve sensor data. Supports registration packets, automatically sending the registered packet as an identifier after connection establishment to distinguish different devices. 4. Supports webpage, allowing users to configure the module. Supports RFC2217like protocol for communication with devices whose serial settings (baud rate, data bit, etc.) may change.