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[Notice] Change to Customs Procedures and Cargo Delivery under Circular 121/2025/TT-BTC. See more .
Communications devices are used for connecting to the internet or converting signals. They include hubs, routers and access points, signal converters, data converters, and more. Hubs split internet connection lines to multiple computers. Hubs are connected to computers using LAN cables. Routers and access points are devices used for wireless LAN connection. The router connects the internal LAN to the external internet, and the access point connects computers and other devices to the internal LAN. Signal converters convert sensor signals to industrial current signal. Voltage, pulse signals, load cell measurements, etc., can be converted. Data converters include devices and software that can convert data.