5G INDOOR CPE FX2000 USER GUIDE 78
the Internet Protocol (IP). UDP is an alternative to the Transmission Control Protocol (TCP) and,
together with IP, is sometimes referred to as UDP/IP.
• USSD — Unstructured Supplementary Service Data (USSD), also known as “Quick code” or
“Feature code”, is a communications protocol used to send data between a mobile device and
network service provider.
• VPN — Virtual Private Network. A secure private network that runs over the public Internet.
Commonly used to connect to an office network from elsewhere.
• Wi-Fi — Any system that uses the 802.11 standard developed and released in 1997 by the IEEE.
• Wi-Fi 5 —The fifth generation of Wireless Fidelity, using 802.11ac on 5 GHz. This standard was
developed and released in 2013.
• Wi-Fi 6 —The sixth generation of Wireless Fidelity, using 802.11ax on licensed exempt bands
between 1 and 6 GHz. This standard was developed in 2020.
• Wi-Fi Client — A wireless device that connects to the Internet via Wi-Fi
• WPA/WPA2 — Wi-Fi Protected Access. A security protocol for wireless 802.11 networks from
the Wi-Fi Alliance.
• WPA3 —The next generation of Wi-Fi Protected Access. WPA3 simplifies security, provides
more robust authentication, increased cryptographic strength, and offers additional capabilities
for personal and enterprise networks. WPA3 retains interoperability with WPA2 devices.
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