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Glossary
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3G
— Third Generation. 3G refers to the third generation of mobile telephony technology.
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4G LTE
— One of several competing 4G standards. LTE (Long-Term Evolution) is a standard of wireless
communication of high-speed data for mobil phones and data terminals:
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802.11 (b, g, n)
— A set of WLAN communication standards in the 2.4, 3.6 and 5 GHz frequency bands.
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APN
— Access Point Name. The APN is an alphanumeric string that identifies the particular network
service that is being accessed. These are used by GPRS and UMTS networks.
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bps
— bits per second. The rate of data flow.
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Broadband
— High-capacity high-speed, transmission channel with a wider bandwidth than
conventional modem lines. Broadband channels can carry video, voice, and data simultaneously.
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CDMA
— Code Division Multiple Access. It is the underlying channel access method used by some
mobile phone standards.
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DHCP
— Dynamic Host Configuration Protocol. Software found in servers and routers that
automatically assigns temporary IP addresses to clients logging into an IP network.
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DHCP Server
— A server or service with a server that assigns IP addresses.
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DNS
— Domain Name System. A system for converting host names and domain names into IP
addresses on the Internet or on local networks that use the TCP/IP protocol.
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ESN
— Electronic Serial Number. A unique 32-bit number embedded in a wireless device that
identifies the device.
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FID
— Factory IDentification. Unique tracking number for factory builds.
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Firewall
— A hardware or software boundary that protects a network or single computer from
unwanted outside traffic.
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Firmware
— A computer program embedded in an electronic device. Firmware usually contains
operating code for the device.
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FTP
— File Transfer Protocol. A network protocol for exchanging files over a TCP network.
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Gateway
— A network point that acts as an entrance to another network that uses a different
protocol.
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GPRS
— General Packet Radio Services. A system used by GSM mobile phones for transmitting IP
packets. It also provides support for WCDMA based 3G networks.
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GPS
— Global Positioning System. A radio-based navigation system that allows users to determine
their location. The device uses satellite data to calculate its position. Commonly used in mapping and
navigation systems.
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Host Name
— The unique name by which a network-attached device is known on a network.
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Hot-Swappable
— The ability to safely remove and replace a component (for example, a memory
card or USB device) from a device or computer while it is powered on.
