User guide

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Glossary
3GThird Generation. 3G refers to the third generation of mobile telephony technology.
4G — Fourth Generation. 4G refers to the fourth generation of mobile telephony technology.
802.11 (b, g, n) — A set of WLAN communication standards in the 2.4, 3.6 and 5 GHz frequency bands.
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.
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.
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 NameThe unique name by which a network-attached device is known on a network.
Hotspot — A WiFi (802.11) access point or the area covered by an access point. Used for connecting
to the Internet.
Hot-SwappableThe 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
over the Internet.
ICCID — Integrated Circuit Card IDentification. A serial number stored in and engraved or printed on a
SIM card that internationally identifies the card.
IEEE — Institute of Electrical and Electronics Engineers. An international technical/professional society
that promotes standardization in technical disciplines.
IMEI — International Mobile Equipment Identity. Used in LTE networks to identify the device. It is
usually printed on the device and can often be retrieved using a USSD code.