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SMS
—
Short Messaging Service. Short text messages of up to 160 characters sent and received by
wireless devices.
➊
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TCP/IP
— Transmission Control Protocol/Internet Protocol. The set of communications protocols used
for Internet and other similar protocols.
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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.
➊
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UMTS
—
Universal Mobile Telecommunications Service. A third-generation broadband, packet-based
transmission of text, digitized voice, video and multimedia at data rates up to 2 Mbps. UMTS offers
a consistent set of services to mobile users all over the world. UMTS is based on the GSM standard.
Until UMTS is fully implemented, users can use multi-mode devices that switch to currently available
technology.
➊
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USB
—
Universal Serial Bus. A connection type for computing device peripherals such as a printer,
mobile broadband modem, etc. USB can be found in versions 1.1 and 2.0. They are further split into
speed categories: Low-Speed, Full-Speed, and High-Speed (v2.0 only). To make use of the maximum
speed of the device, v2.0 High-Speed is required. Check your computer to see what version is fitted.
The device will work on Full-Speed connections, but will be unable to operate at peak rates.
➊
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VPN
— Virtual Private Network. A way to communicate through a dedicated server securely to a
corporate network over the Internet.
➊
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WAN
—
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.
➊
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WCDMA
—
Wideband Code Division Multiple Access. A 3G mobile wireless technology that promises
much higher data speeds to mobile and portable wireless devices. Another name for UMTS.
➊
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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.