Features: A dualRS485 device data collector/IoTgateway specifically designed forindustrial environment applications DualRS485 can work simultaneously without interfering witheachother, and it combines multiple functions. Equipped with dualRS485 and dualEthernetinterfaces (optional version with PoE function) Power interfaceadopts outer diameter of 5.5mm and inner diameter of 2.1mmwhich is connectedto a terminaltype power supply. The guidrail type housing design is easy to install, and has high cost-effectiveness Suitable fordata collection, IoTgateway, securityIoT, and intelligent instrument monitoring. Specifications: Item：DualRS485 to RJ45 Ethernet Modules Material: AluminumAlloy Size：approx 7.8x7.25x2.42cm/3.07x2.85x0.95in Type：Ordinary Ethernet Version/PoE Network Version Package Includes: 1PC DualRS485 to RJ45 Ethernet Modules note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.