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Radio Transmission: Band Comparison
•VHF (low band)
–Good propagation (long distances)
–Poor building penetration, large antenna, high noise
•VHF (high band)
–Good propagation (moderate distances)
–Better building penetration, less noise
•UHF
–Good building penetration, least noise, smallest antenna
–Poor propagation
Speaking Points
Here is a very general comparison of the different bands available.  In short, UHF is the most useful in urban areas with large structures, but VHF is useful in rural areas because has a greater coverage area.