LonHand is an Internet of Things (IoT) equipment brand established in 2012, focused on the research, development, production, and sales of IoT terminal devices. The company aims to provide dependable equipment for customers across sectors that use connected monitoring and control systems. Its product range includes industrial serial and network I/O controllers, sensors and transmitters, and instrumentation.

Serial I/O controllers are available in configurations from 2 to 32 channels and support the standard Modbus protocol. LonHand also offers solutions for building energy management and automation, agricultural weather monitoring and security, air and water quality monitoring, and photovoltaic applications. Its cloud platforms include services for agricultural IoT and general-purpose IoT, supporting connected applications across different environments.

The brand’s products are used in agricultural parks, livestock and aquaculture operations, smart property management, intelligent buildings, and industrial automation. LonHand describes its operations as integrating research and development, manufacturing, and sales, and highlights a decade of industry experience. Its portfolio brings together field devices, measurement products, and cloud services for practical IoT deployments