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SMS
Short Messaging Service. Short text messages of generally no more than 140-160 characters sent and
received by wireless devices.
Type A USB
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.
USB
Universal Serial Bus. A connection type for computing device peripherals such as a printer, mobile AD3700
Modem, etc.
VPN
Virtual Private Network. A way to communicate through a dedicated server securely to a corporate network over
the Internet.
WAN / WWAN
Wide Area Network (WAN). A computer network covering a broad geographical area. WANs are used to
connect local area networks (LANs) together, so that users and computers in one location can communicate
with users and computers in other locations.
WWAN
Wireless Wide Area Network (WWAN). Also called "wireless broadband" or "broadband wireless," wireless
WANs (WWANs) use cellular towers to transmit a wireless signal over a range of several miles to a mobile
device compared to wireless Wi-Fi LANs (WLANs), which span only a few hundred feet and generally to only
stationary devices.
