chapter 18 - communication Flashcards
911 enhanced 911
a set of three numbers that automatically sends the call to the emergency dispatch center. Enhanced 911 gives the dispatcher the ability to determine the callers location by routing the call through several CAD systems
911 enhanced 911
a set of three numbers that automatically sends the call to the emergency dispatch center. Enhanced 911 gives the dispatcher the ability to determine the callers location by routing the call through several CAD systems
band
a range of radio frequencies
computer aided dispatch
CAD - a computer aided system that automates dispatching by enhanced data collection, rapid recall of information, dispatch mapping, as well as unit tracking and the ability to track and dispatch resources
communication
the exchange of information between two or more individuals
dispatch
a central location that receives information and collects, disseminates, and transmits the information to the proper resources
duplex
a radio system that allows transmitting and receiving at the same time through two different frequencies
Federal Communications Commission
FCC - an independent US government agenct, directly, responsible to congress established by the communications act of 1934; it regulates interstate and international communications by radio, television, wire, satellite, and cable. the fcc’s jurisdiction covers the 50 states, the district of columbia, and us possessions
half duplex
a radio system that can use the components of several different systems; it can use specialized equipment to connect several different radio systems and components together and have them communicate with eachother
mobile radio
a radio installed in an emergency vehicle. a mobile radio usually transmits by higher wattage than a portable radio
multiplex
a system that allows the crew to transmit voice and data at the same time, enabling the crew to call in a patient report while transmitting an ECG strip to the hospital
portable radio
also referred to as a walkie-talkie. These radios are carried by emergency personnel and have a lower wattage output than the mobile or base unit. To use these portable radios with a higher watt output, the units can be connected through a repeater system to increase their output, which increases range
public safety answering point
PSAP - a dispatch center that is set up to receive and dispatch 911 calls
radio frequency
radio frequencies are channels that allow communication from one specific user to another. For simple communication, both users must be on the same frequency or channel
repeater
a system that receives transmissions from a low wattage radio and rebroadcasts the signal at a higher wattage to the dispatch center