User's Manual

Glossary 51
• Router — A device that directs traffic from one network to another.
• SIM — Subscriber Identification Module. Found in LTE and GSM network
technology, the SIM is a card containing identification information
for the subscriber and their account. The SIM card can be moved to
different devices.
• SSID — Service Set IDentifier. The name assigned to a Wi-Fi network.
• TCP/IP — Transmission Control Protocol/Internet Protocol. The set
of communications protocols used for the Internet and other similar
networks.
• USB — Universal Serial Bus. A connection type for computing device
peripherals such as a printer, mobile modem, etc. USB connectors may
be used for data transfer or charging.
• USB Port Types — The USB ports on computers and hubs have a
rectangular Type A socket, and peripheral devices have a cable with
a Type A plug. Peripherals that do not have an attached cable have a
square Type B socket on the device and a separate cable with a Type A
and Type B plug. Ports and connectors are available in different sizes (for
example, standard, mini, and micro).
• VPN — Virtual Private Network. A secure private network that runs over
the public Internet. Commonly used to connect to an office network
from elsewhere.
• WCDMA — Wideband Code Division Multiple Access. An air interface
standard found in 3G mobile telecommunications networks. The most-
commonly used member of the UMTS family.
• WWAN — Wireless Wide Area Network. A public network that extends
beyond architectural, geographical, or political boundaries (unlike a
LAN, which is usually a private network located within a room, building,
or other limited area).
• WEP — Wired Equivalent Privacy. An IEEE standard security protocol for
802.11 networks. Superseded by WPA and WPA2.
• WPA/WPA2 — Wi-Fi Protected Access. A security protocol for wireless
802.11 networks from the Wi-Fi Alliance.