User manual

30
Glossary
 3G — Third Generation. 3G refers to the third generation of mobile telephony technology. The
evolution of 3G technology is as follows:
 802.11 (b, g, n) — A set of WLAN communication standards in the 2.4, 3.6 and 5 GHz frequency bands.
 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.
 bps — bits per second. The rate of data flow.
 Broadband — High-capacity high-speed, transmission channel with a wider bandwidth than
conventional modem lines. Broadband channels can carry video, voice, and data simultaneously.
 CDMA — Code Division Multiple Access. It is the underlying channel access method used by some
mobile phone standards.
 DHCP — Dynamic Host Configuration Protocol. Software found in servers and routers that
automatically assigns temporary IP addresses to clients logging into an IP network.
 DHCP Server — A server or service with a server that assigns IP addresses.
 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.
 ESN — Electronic Serial Number. A unique 32-bit number embedded in a wireless device that
identifies the device.
 FID — Factory IDentification. Unique tracking number for factory builds.
 Firewall — A hardware or software boundary that protects a network or single computer from
unwanted outside traffic.
 Firmware — A computer program embedded in an electronic device. Firmware usually contains
operating code for the device.
 FTP — File Transfer Protocol. A network protocol for exchanging files over a TCP network.
 Gateway — A network point that acts as an entrance to another network that uses a different
protocol.
 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.
 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.
 Host Name — The unique name by which a network-attached device is known on a network.
 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.
 HTTP — Hypertext Transfer Protocol. An application-level protocol for accessing the World Wide Web