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Communication device, abbreviated as ICD in English, is also known as Industrial Communication Device. Wired communication equipment and wireless communication equipment used in industrial control environments.
Wired communication equipment mainly introduces serial communication, professional bus communication, Industrial Ethernet communication and conversion equipment between various communication protocols, including routers, switches, modems and other equipment. Wireless communication equipment mainly includes wireless AP, wireless bridge, Wireless network interface controller, wireless lightning arrester, antenna and other equipment. Communication also includes military communication and civil communication. The three major communication operators in China are mobile communication, China Unicom communication, and telecommunications.