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Contrary to wired communication, wireless technologies for instrumentation are often at lower expenses, with reduced installation time, and minimum disruption. They also contribute to extend coverage into remote or hostile areas. Therefore, wireless technologies offer better insight to prospective safety issues and operational requirements in industrial plants and facilities. Some technical requirements such as long battery life and optimized data rates should be adopted to specific applications for these networks. Since wireless apparatus are integrated with available operational systems via standard industrial interfaces, they should preserve the security of system for various cyberattacks. Ultimately, major beneficial factors of wireless instrumentation are their reliability, flexibility, and cost efficiency in resources and time management.