Programmable 1-Port RS485 Serial Interface Node for WSN—The WSN‑3231 is a wireless device that provides one RS485 port to interface with serial sensors, instruments, and control boards. You can configure the WSN‑3231 as a mesh router to increase network distance and connect more nodes to your gateway. You can connect eight end nodes (star topology) or up to 36 measurement nodes (mesh topology) to a single WSN gateway, with outdoor range up to 300 m with line of sight. The device also offers programmable input ranges to maximize measurement accuracy and industrial temperature and shock and vibration ratings. NI‑WSN software delivers easy network configuration and data extraction.