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16 Cards in this Set
- Front
- Back
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Base Station
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Any radio hardware containing a transmitter and receiver that is located in a fixed place
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Cellular telephone
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A low-power portable radio that communicates through an interconnected series of repeater stations called "cells"
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Channel
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An assigned frequency or frequencies that are used to carry voice and/or data communications
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Dedicated line
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A special telephone line that is used for specific point-to-point communications; also known as a "hot line".
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Duplex
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The ability to transmit and receive stimultanenously.
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Federal Communications Commission (FCC)
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The federal agency that has jurisdiction over interstate and international telephone and telegraph services and satellite communications, all of which may involve EMS activity.
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MED channels
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VHF and UHF channels that the FCC has designated exclusively for EMS use.
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Paging
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The use of a radio signal and a voice or digital message that is transmitted to pagers ("beepers") or desktop monitor radios.
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rapport
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A trusting relationship that you build with your patient.
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Repeater
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A special base station radio that receives messages and signals on one frequency and then automatically retransmits them on a second frequency.
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Scanner
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A radio receiver that searches or "scans" across several frequencies until the message is completed; the process is then repeated.
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Simplex
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Single frequency radio; transmissions can occur in either direction but not simultanenously in both; when one party transmits, the other can only receive, and the party that is transmitting is unable to receive.
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Standing orders
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Written documents, signed by EMS system's medical director, that outline specific directions, permissions, and sometimes prohibitions, regarding patient care; also called protocols.
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Telemetry
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A process in which electronic signals are converted into coded, audible signals; these signals can then be transmitted by radio or telephone to a receiver at the hospital with a decoder.
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UHF (ultra-high-frequency)
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Radio frequencies between 300 and 3000 MHz.
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VHF (very high frequency)
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Radio frequencies between 30 and 300 MHz; the VHF spectrum is further divided into "high" and "low" bands.
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