Answer / Omnarayan

Wireless networks are communication networks that do not rely on physical wires or cables for data transfer. They use radio waves, microwaves, infrared waves, or other wireless technologies to transmit data between devices. There are several types of wireless networks, including:

1. Cellular networks: A wide-area network that covers large geographical areas and uses base stations (cell sites) and mobile phones to provide voice and data services. Examples include 2G, 3G, 4G, and 5G networks.
2. Wi-Fi networks: A local area network (LAN) that uses wireless access points (APs) and client devices such as laptops, smartphones, and tablets to provide high-speed internet access over short distances.
3. Wireless Local Area Network (WLAN): A LAN that covers a small geographical area and provides wireless connectivity to devices within the range of an AP. Examples include Wi-Fi networks and Bluetooth networks.
4. Wireless Personal Area Network (WPAN): A network that covers a personal space around a user and provides low-power, short-range connectivity to nearby devices such as smartphones, fitness trackers, and smart home devices.

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