...2 (WPA2), and Wi-Fi Protected Access 3 (WPA3) are the three security certification programs developed after 2000 by the Wi-Fi Alliance to secure wireless computer networks.
Like the protection of wireless network devices, the protection of mobile devices is increasingly needed due to the large increase in their popularity.
10 Tips to Secure Your Wireless Network. Protect Your Network From Unauthorized Access.Wireless Networking.

Secure the router for your wireless network with a password. If you don't secure your router, strangers could access your network and view your personal or financial information.
WIRELESS NETWORK SECURITY5.4.2 Operational CountermeasuresOperational countermeasures require handheld device users to exercise due diligence in protecting thehandheld...

Furthermore, visual representations like the one above help us fully grasp the concept of Protect Wireless Network.
Designed to protect wireless network equipment, antennas and associated components. Designed for permanent AC line voltage and low voltage installations.
The most basic method to protect wireless network security is encryption. You can enable WEP Encryption By simply setting AP, wireless network card, and other devices.
How Strong Passwords Help Protect Wireless Network Access. One of the most important steps to secure home Wi-Fi is using a strong network password.