You can connect wirelessly to networks even if your device lacks a wireless network card by using a USB adaptor. The vast majority of wireless USB keyboards are based on the frequency range of -2 to -2 GHz. Once you have permission from the Wi-Fi network, your device should begin receiving IP addresses and having access to the network when it receives a password from the network. Radio waves are used to send and receive data in the form of USB Wi- Fi adapters as they connect to nearby Wi-Fi networks.