In comparison, the functions of industrial-grade 4G routers are stronger than switches, but the speed is relatively slow and expensive. It is more complex and more flexible than a bridge. The 4G LTE router has a stronger ability to interconnect heterogeneous networks, including local area networks and wide area networks. EBYTE's 4G LTE routers provide stable and reliable bandwidth of tens to hundreds of Mbps, which is sufficient for tasks such as PLC remote programming, SCADA data upload, equipment. Industrial switches are also called industrial Ethernet switches, which are Ethernet switch equipment used in the field of industrial control, because of the adopted network standard, its openness, wide application, low price, and transparent and unified TCP/IP protocol, Ethernet has become the. Robert Liao is an IoT Technical Support Engineer at Robustel with hands-on experience in industrial networking and edge connectivity. Certified as a Networking Engineer, he specializes in helping customers deploy, configure, and troubleshoot IIoT solutions in real-world environments. In addition to. 4G industrial routers are mainly used in the environments of industrial, electric power, environmental protection, smart city, which can be also used in station vending machines, bank numbering machines, car doors, community express boxes, etc.