Radio Systems
Key Functions and Equipment
Interoperability
Three-Digit Call Options
Call Routing Processes
100

The agency's main transmitter and receiver.

What is Base Station?

100

Utilized in case of radio Console/system outages

What are back-up radios?

100

Radio protocols with built-in mutual aid features and a dedicated 700 MHz frequency

What is Project 25 (P25)?

100

The universal emergency number

What is 911?

100

Allows voice calls over the internet

What is Voice over Internet Protocol (VoIP)?

200

PST Workstation

What is Radio Console?

200

Cutting off parts of the transmisson

What is clipping?

200

A high-coverage radio system accessible to participating agencies, offering reliable communication across vast areas

What is Statewide Law Enforcement Radio System (SLERS)?

200

Relay service for the deaf and hard of hearing

What is 711?

200

Distributes incoming calls among available PSTs

What is Automatic Call Distribution (ACD)?

300

Mounted in response vehicles 

What is Mobile Radios?

300

Talk groups that allow interaction

What is patching?

300

This internet-based system bridges the gap between agencies with incompatible radio systems

What is Florida Interoperability Network (FIN)?

300

The National 32 Lifeline Number

What is 988?

400

Portable Radios with limited range 

What are handheld radios?
400

Devices that send and receive voice and data signals

What are transmitters and receivers 

400

A set of portable towers and repeaters that can be deployed to disaster zones or other locations with limited communication

What is Mutual Aid Radio Cache (MARC)?

400

Traffic information

What is 511?
500

Provides cleaner sound, better coverage, and additional features

What are digital systems?

500

Ensure communication between field units and base station

What are Radio towers?

500

Trailers equipped with various communication technologies like VoIP, FIN, satellite, and cellular 

What is Emergency Deployable Interoperable Communications System (EDICS)?

500

Citizen hotline that gives access to non-emergency municipal services

What is 311?

500

Provides additional functionalities like caller identification and call back capabilities 

What is Enhanced 911 (E911)?