Verizon Wireless Intelligent Mobile Hotspot MiFi 2200 - Manual (Page 75)

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Glossary
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3G — Third Generation. 3G refers to the third generation of mobile telephony technology. The
evolution of 3G technology is as follows:
CDMA technologies
» 1xRTT offered speeds up to 144 Kbps (2002).
» EV-DO increased downlink speeds up to 2.4 Mbps (2004).
» EV-DO Rev A boosted downlink speeds to 3.1 Mbps (2006).
» EV-DO Rev B can use 2 to 15 channels with each downlink peaking at 4.9 Mbps.
» Ultra Mobile Broadband was slated to reach 288 Mbps but operators might switch to LTE instead.
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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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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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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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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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Hotspot — A WiFi (802.11) access point or the area covered by an access point. Used for connecting
to the Internet.
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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.