User's Guide

Table Of Contents
5G INDUSTRIAL GATEWAY S2000e USER GUIDE 83
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.