chapter 9

any radio hardware containing a transmitter and receiver that is located in a fixed place

a low-power portable radio that communicates through an interconnected series of repeater stations called "cells"

an assigned frequency or frequencies that are used to carry voice and/or data communications

a special telephone line that is used for specific point-to-point communications; also known as a "hot line"

the ability to transmit and receive simultaniously

the federal agency that has jurisdiction over the interstate and international telephone and telegraph services and satellite communications, all of which may involve ems activity

vhf and uhf channels that the fcc has designated exclusively for ems use

the use of a radio signal and a voice or digital message that is transmitted to pagers (beepers) or desktop monitor radios

a trusting relationship that you build with your patient

a special base station radio that receives messages and signals on one frequency and then automatically retransmits them on a second frequency

a radio receiver that searches or "scans" across several frequencies until the message is completed; the process is then repeated

single frequency radio; transmissions can occur in either direction but not simultaneously in both; when one party transmits, the other can only receive, and the party that is transmitting is unable to receive

written documents, signed by the ems system's medical director, that outline specific directions, permissions, and sometimes prohibitions regarding patient care; also called protocols

a process in which electronic signals are inverted into coded, audible signals; these signals can then be transmitted by radio or telephone to a receiver at the hospital with a decoder

radio frequencies between 300 and 3000 mhz

radio frequencies between 30 and 300 mhz; the vhf spectrum is further divided into "high" and "low" bands