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The first standard to specify MIMO, 802.11n was approved . allows for usage in two frequencies - 2.4GHz and 5GHz, with speeds up to 600Mbps.A wireless network mode is a state, or means of operating, that a wireless network can use. In other words, they define the various operational aspects of wireless signalsWhere is network mode?A wireless network mode is a state, or means of operating, that a wireless network can use. In other words, they define the various operational aspects of wireless signals. Think of them like AM and FM radio stations.Models provide a starting point for deciding what must be done to enable transmission or to figure out how systems using various protocols might connect. They also help in troubleshooting issues.A computer network is a system that links two or more computing devices to communicate and share information. A computer network is defined as a system that connects two or more computing machines for transmitting and transferring information.To learn more about : Network modeRef : https://brainly.com/question/14310029#SPJ4