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Wireless computer components enable a network to operate without physical cables, using radio waves to transmit data between devices. Key components include wireless adapters (or Network Interface Cards - NICs), which allow devices to send and receive signals; a wireless router, which acts as the network's central hub and gateway to the internet; and wireless access points (APs), which extend the network's range. Other hardware like modems, repeaters, and antennas also contribute to wireless network functionality.

Device-Level Components

Wireless Network Interface Card (NIC): This is a hardware component that functions as a radio transmitter and receiver, allowing a device like a computer or smartphone to connect to a wireless network. Many modern devices have built-in Wi-Fi, while others require an external or internal card.

Antennas: These are essential for broadcasting and receiving the radio frequency (RF) signals used in wireless communication.

Network Infrastructure Components

Wireless Router: A core component that not only directs traffic between devices and the internet but also often includes a built-in wireless access point.

Wireless Access Point (AP): An access point is a device that creates a Wireless Local Area Network (WLAN) and serves as the central point for devices to connect.

Repeater/Extender: A device that extends the range of a wireless network by receiving a signal and re-transmitting it.

Modem: This component connects to the internet service provider and converts signals for transfer.