Description: Interrogated radio is a bi-directional communication system where data is usually collected by developing a polling cycle for all stations in the network. The radio frequency of Interrogated radio is VHF, usually under 180MHz. The radio frequency is not shared with the public, which means during emergencies the public cannot interfere with data collection. The cost of installing and maintaining an interrogated radio network can be expensive and in some countries radio licensing fees can be costly.
Costs USD Lower: $1,000
Costs USD Upper: $1,500
Accessories:
Advantages: Radio frequencies are not shared with the public.
Disadvantages: Higher maintenance cost of radio network. Licensing fees may be required.
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