3G, GPRS, TransFlash, RS-MMC. Don't know what they mean? Check out our glossary of wireless terms.
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1G |
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First-generation wireless; analog
mobile phones. |
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2.5G |
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Second-generation
(2G) wireless, plus faster data services. |
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3G |
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Third-generation
wireless: digital plus high-speed data and global roaming;
known as IMT 2000 by the ITU and implemented in Europe as
UMTS and in North America as CDMA2000; goals are high-quality
multimedia and advanced global roaming (in-house, mobile,
satellite). |
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802.11 |
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IEEE standards
for wireless LANs with specs for 1mbps, 2mbps, 11mbps, and
24mbps. |
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A |
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access point |
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Base station that
plugs into Ethernet hub or server; like a mobile phone system
cell, users can roam between access points. |
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AMPS |
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Advanced Mobile
Phone Service; the standard for analog mobile telephones;
uses a frequency-modulated transmission and frequency spacing
to separate user transmission; operates in the 800MHz
band. |
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AMPS modem |
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A wireless modem
designed for analog mobile phones. |
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AP |
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Access point; a
base station in a wireless LAN. Access points are typically
standalone devices that plug into an Ethernet hub or server.
Like a mobile phone system, users can roam around with their
mobile devices and be handed off from one access point to the
other. |
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API |
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Application
Programming Interface. |
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ARDIS |
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Advanced National
Radio Data Service; established, nationwide packet data
system from American Mobile; provides 19.2kbps. |
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B |
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Bluetooth |
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Wireless personal area network
(PAN) standard geared for home and office; uses 2.4GHz band
at 720kbps within 30-foot range. |
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broadband
wireless |
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Wireless
transmission at high speed. Wireless transmission is slower
than wireline speeds; thus, whereas land-based broadband
generally starts at T1 rates, wireless might be considered
broadband starting at 250kbps. |
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BSS |
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Base station subsystem. |
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bytecode |
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Content encoding
where the content is typically a set of low-level opcodes and
operands for a targeted hardware (or virtual) machine. |
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C |
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CDMA |
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Code Division Multiple Access;
Qualcomm's spread-spectrum air-interface method. It codes
each conversation and expands it 128 times, which makes it
easy to decipher at the receiving end. |
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CDMA2000 |
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3G CDMA evolution
from CDMA One supported by CDMA One operators; now known as
the 1X Multi-Carrier mode (1X MC) in an overall standard for
3G CDMA. |
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CDMA One |
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2G CDMA (IS
95). |
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CDPD |
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Cellular Digital Packet Data. A digital wireless
transmission system that is deployed as an enhancement to
the existing analog mobile network. Based on IBM's
CelluPlan II, it provides a packet overlay onto the AMPS
network and moves data at 19.2kbps over ever changing
unused intervals in the voice channels. If all the channels
are used, the data is stored and forwarded when a channel
becomes available.
CDPD was developed as a wireless extension to an IP
network and uses the four-octet (0.0.0.0) address for
connections. CDPD networks cover most of the major urban
areas in the United States and have been deployed by
AT&T, Ameritech, GTE, BellAtlantic Mobile, and other
carriers. By the late 1990s, incompatibility issues had
been worked out, and roaming agreements and
interoperability between carriers is generally nationwide.
CDPD modems are available on PC Cards for laptop and
handheld computers.
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compact HTML (cHTML) |
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Subset of HTML
2.0, HTML 3.2, and HTML 4.0 specifications designed for
limited hardware information appliances. |
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CTIA |
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Cellular
Telecommunications Industry Association |
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CVSD |
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Continuous
Variable Slope Delta Modulation |
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D |
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dispatch
radio |
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Two-way radio used for taxis,
trucks, and fleets; always on. |
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DHCP |
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Domain Host Control Protocol; DHCP is a protocol for dynamically assigning IP addresses to networked computers. With DHCP, a computer can automatically be given a unique IP address each time it connects to a network, making IP address management easier for network administrators. When a computer logs on to the network, the DHCP server selects an IP address from a master list and assigns it to the system. |
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dual-mode handset |
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Mobile phone that
switches from analog to digital or from land-based to
satellite or from cordless to mobile. |
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E |
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EDGE |
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Enhanced Data rates for Global
Evolution; increased data throughput in GSM and TDMA systems
to 384kbps. |
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Enhanced Messaging Service (EMS) |
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An open standard
that allows pictures, sounds, animations, and formatted text
to be swapped between compliant mobile phones. |
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F |
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FCC |
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Federal
Communications Commission |
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FireWire |
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Originally
developed by Apple, this is an increasingly popular and very
fast external bus for transferring data between devices; also
known as IEEE 1394 for the name of the standard it
engendered. |
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Ian White
18/08/2004 05:06 PM
There are some ISPs that are taking forever to roll out their wireless set-ups, they keep saying Line of Site, but if they don't come out and check how do they know if there is.
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drrossdogfood
10/12/2007 08:30 AM
I Need Some Help to fix my wireless mouse REPLY
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