User guide
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● PUK code (Pin Unlock Key) — A PUK is required when you enter an incorrect PIN 3 times. After
entering the wrong PIN 3 times, the SIM card is disabled.
● RAS — Remote Access Service. A Windows NT/2000 Server feature that allows remote users access to
the network from their Windows laptops or desktops via modem.
● Rev A — CDMA EV-DO Rev. A is a leading-edge wireless technology with higher data rates and higher
system capacity. It is a fully backward compatible standard and remains interoperable with deployed
EV-DO networks and devices around the world. The increased data rates on Rev. A’s physical layer
enable richer applications and services. For more information, visit www.cdg.org.
● Router — A device that directs traffic from one network to another.
● SIM — Subscriber Identification Module. Found in 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.
● SMS — Short Message Service. A service for sending short messages of up to 160 (224 in 5-bit mode)
characters to mobile devices. SMS is also known as text messaging.
● SSID — Service Set IDentifier. The name assigned to a WiFi network.
● TCP/IP — Transmission Control Protocol/Internet Protocol. The set of communications protocols used
for the Internet and other similar networks.
● UI — User Interface. The part of a software application or hardware device that a user sees and
interacts with.
● 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.
● WAN — 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.
● WiFi — Wireless Fidelity. Any system that uses the 802.11 standard developed and released in 1997 by
the IEEE.
● WiFi Client — A wireless device that connects to the Internet via WiFi.
● WPA/WPA2 — WiFi Protected Access. A security protocol for wireless 802.11 networks from the WiFi
Alliance.