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Mobile Communication Technologies: 5G WiFi and Beyond Mobile networks are changing fast. 5G brings faster speeds, lower latency, and new ways to connect devices. WiFi standards like WiFi 6 and 6E improve capacity and reliability in homes, schools, and offices. Together, these technologies create a flexible toolkit for people, homes, and businesses. What makes 5G different? It uses many small cells, wider channels, and flexible features such as network slicing. Sub-6 GHz bands give broad coverage, while mmWave bands offer very high speeds in crowded venues, with shorter range and more sensitivity to obstacles. 5G also supports standalone operation and dynamic slicing that can reserve fast service for critical apps like medical devices or autonomous machines. This combination helps phones, tablets, and sensors stay fast even in busy places. ...