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Glossary
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Access
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The ability to retrieve information and to communicate online through the use of digital information and communication technologies.
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ADSL
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(Asymmetric Digital Subscriber Line) transforms an operator’s existing copper twisted pair investment into a multimedia broadband distribution system. Working on an existing copper telephone line, ADSL’s transmission speed is up to 200 times faster than today’s analog modems. ADSL’s speeds range up to 12 megabits per second. ADSL supports high-speed data communications on top of traditional telephone service, on a single telephone access line. Allocation planned by an international or national authority of a frequency band to one or more radio communication services or to radio astronomy, under specified conditions. A formal definition is given in the ITU Radio Regulations.
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AMPS
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Advanced Mobile Phone Service
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AMR
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(Adaptive Multi-Rate) A variable rate speech codec selected by the 3GPP for the 3G evolution of the GSM cellphone system (WCDMA). Using the Algebraic CELP (ACELP) compression technology, AMR provides toll quality sound at transmission rates from 4.75 to 12.2 Kbps. See WCDMA
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API
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Application Programmable Interface
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ARIB
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Association of Radio Industries and Businesses
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ARPU
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The Average Revenue Per User (ARPU) measures the average amount of money spent by a customer per month for a given service such as a cellular phone, pager, etc.
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ARV
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Antiretroviral (drugs/treatment)
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ASP
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Applications Service Provider
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ATM
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Automatic Teller Machine
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