Swap Radios

1
BENEFITS Simple to implement No administration
Issues Slow to set up exchange Limited range
Level
Best Application Small preplanned events with key
players coordinating
1
Swap Radios
2
BENEFITS Simple to implement Direct
communication Cost efficient
Issues Limited range Requires comparable systems
Level
Best Application Small preplanned events (2-3
agencies) Emergencies only
2
Talk around
3
BENEFITS Cost efficient Available almost
everywhere Added range over level 1
Issues Radio preprogramming required Radio
removed from home system Frequency
dependent Requires conventional and trunking in a
trunking radio
Level
Best Application Small to moderate scale events
(2-4 agencies) Emergency operations Works for
urban rural
3
Mutual Aid Channels
4
BENEFITS Connects different systems/bands Can be
cost efficient Moderate (1-2) site range
Issues Radio preprogramming required Radio
removed from home system Frequency
dependent Requires conventional and trunking in a
trunking radio
Level
Best Application Small to moderate scale events
(2-4 agencies) Emergency operations Works for
urban rural
4
Gateway/Console patches
5
BENEFITS Connects multiple types of
systems Instant Interoperability Full system
features Full system range
Issues Extensive preplanning May not be cost
effective for infrequent applications
Level
Best Application Small to large scale
events Cross band Limited response areas
5
System specific roaming
6
BENEFITS Instant Interoperability Full system
features Full system range Full features to all
users
Issues Funding for new system region must be
operating with standard Extensive preplanning
Level
Best Application Event scale is immaterial Urban
to rural applications Any band/bands
6
Standards Based Shared Systems
7
Nationwide VHF Interoperability Channels

• All are base to mobile channels
• 155.7525 MHz National Calling
• 151.1375 MHz VHF Tactical 1
• 154.4525 MHz VHF Tactical 2
• 158.7375 MHz VHF Tactical 3
• 159.4725 MHz VHF Tactical 4

8
Nationwide UHF Interoperability Channels

• All are repeater channels
• 453.2125 Calling Channel
• 453.4625 Tactical Channel 1
• 453.7125 Tactical Channel 2
• 453.8625 Tactical Channel 3

9
Nationwide 800 MHz Interoperability Channels

• All are repeater channels
• 821.0125 Calling Channel
• 821.5125 Tactical 1
• 822.0125 Tactical 2
• 822.5125 Tactical 3
• 823.0125 Tactical 4
• 823.5125 Tactical 5