The SMG-WL1SR Smart Gateway is a network adapter designed for data conversion and transmission used by smart miniature circuit breakers. It connects to routers via Wi-Fi or 4G and interfaces with circuit breakers through RS485, facilitating data protocol conversion for seamless communication between cloud platforms and smart miniature circuit breakers. The gateway supports configuration via a WeChat Program combined with Bluetooth, allowing users to easily and quickly realize mode conversion. Its design aligns with the shape of smart miniature circuit breakers, enabling easy installation on existing terminal box rails. Main functions include data acquisition, protocol conversion, data transmission, and power output.