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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 & 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 & receive simultaneously
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Federal Communications Commission
FCC |
the federal agency that has jurisdiction over interstate & international telephone & telegraph services & satellite communications, all of which may involve EMS activity
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MED channels
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VHF & UHF channels that the FCC has designated exclusively for EMS use
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paging
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the use of radio signal & 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 PT
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repeater
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a special base station radio that receives messages & signals on one frequency & 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 simultaneously in both; when one party transmits, the other can only receive, & the party that is transmitting is unable to receive
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standing orders
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written documents, signed by the EMS system's medical director, that outline specific directions, permissions & sometimes prohibitions regarding PT 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 @ the hospital w/ a decoder
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UHF
(ultra-high frequency) |
radio frequencies b/w
300-3,000MHz |
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VHF
(very high frequency) |
radio frequencies b/w
30-300MHz; the VHF spectrum is further divided into "high" & "low" bands |
