repeaters and available at hobbyist 3-4 mile range for Limited availability external antennas stores specializing in handhelds More expensive communications Increase range with than FRS/GMRS repeaters and external radios antennas Transmit or data No license required Citizen Band Radios that Common Have 40 channels, but due No license required Casual (CB) transmit and to frequency they are conversation 40 channels receive on public practically useless for short Not reliable frequencies range transmissions Not recommended for CERT use Public Safety A special Extremely reliable Limited; must be Direct communication Requires Bands used with to emergency first authorization of communication jurisdictional responders, if jurisdiction mode used by protocol authorized Expensive emergency Extremely reliable dispatchers, fire Must be used with fighters, EMS, up to 20 miles with jurisdictional police, and other simplex, 50 miles with protocol government repeaters Licensed to emergency Handheld, mobile, or municipality or responders base units government entity
repeaters and external antennas available at hobbyist stores specializing in communications 3-4 mile range for handhelds Increase range with repeaters and external antennas Transmit or data No license required Limited availability More expensive than FRS/GMRS radios Citizen Band (CB) Radios that transmit and receive on public frequencies Have 40 channels, but due to frequency they are practically useless for short range transmissions Common No license required 40 channels Casual conversation Not reliable Not recommended for CERT use Public Safety Bands A special communication mode used by emergency dispatchers, fire fighters, EMS, police, and other government emergency responders Extremely reliable Limited; must be used with jurisdictional protocol Direct communication to emergency first responders, if authorized Extremely reliable up to 20 miles with simplex, 50 miles with repeaters Handheld, mobile, or base units Requires authorization of jurisdiction Expensive Must be used with jurisdictional protocol Licensed to municipality or government entity
CERT-Emergency-Communications-Module.docx