AT&T MiFi 2372 User Manual page 82

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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.
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HSDPA — High Speed Downlink Packet Access. HSDPA is an enhanced version of WCDMA that
supports broadband connections with download speeds up to 7.2 Mbps. This enhanced 3G
technology enables the download of high-bandwidth multimedia files, high resolution graphics, and
other complex files, and allows viewing email attachments at broadband-like speeds.
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HSPA — High Speed Packet Access. A family of 3G services that is available to GSM carriers. It is a
major enhancement from WCDMA.
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HSPA+ — HSPA Evolution or HSPA Evolved. A 3G mobile telephony protocol with up-link speeds up to
11 Mbps and downlink speeds up to 42 Mbps.
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HSUPA — High Speed Uplink Packet Access. A 3G mobile telephony protocol with up-link speeds up
to 5.76 Mbps and downlink speeds up to 7.2 Mbps.
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HTTP — Hypertext Transfer Protocol. An application-level protocol for accessing the World Wide Web
over the Internet.
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ICCID — Integrated Circuit Card IDentification. A serial number stored in and engraved or printed on a
SIM card that internationally identifies the card.
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IMEI — International Mobile Equipment Identity. Used in GSM networks to identify the device. It is
usually printed on the device and can often be retrieved using a USSD code.
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IMSI — International Mobile Subscriber Identity. Used in GSM networks to identify the subscriber
Usually embedded in the SIM.
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IP — Internet Protocol. The mechanism by which packets are routed between computers on a
network.
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IP Type — The type of service provided over a network.
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IP address — Internet Protocol address. The address of a device attached to an IP network (TCP/IP
network).
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ISP — Internet Service Provider. Also referred to as the service carrier, an ISP provides Internet
connection service. (See Network Operator)
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Kbps — Kilobits per second. The rate of data flow.
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LAN — Local Area Network. A type of network that lets a group of computers, all in close proximity
(such as inside an office building), communicate with one another. It does not use common carrier
circuits though it can have gateways or bridges to other public or private networks.
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MAC Address — Media Access Control. A number that uniquely identifies each network hardware
device. MAC addresses are 12-digit hexadecimal numbers.
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