Other external wireless adapters for laptops include the wireless laptop card. These external cards plug into card slots that are located on the side of most laptop computers. The device does not work with personal computers because they are not designed with the necessary card slot.
External wireless adapters are confined to the range of the Wi-Fi signal produced by the router. Signal repeaters can be used to extend the range of the signal.
The most common external wireless adapter is the wireless USB adapter. When plugged into the computer's USB port, the wireless adapter will allow the user to access a wireless Internet connection through the USB device.
An external wireless adapter is a device that can be connected to a personal computer, laptop or netbook device that will allow the user to access a wireless internet or network signal. A USB wireless adapter is the most common external wireless device.