Many cities, counties and even entire states in the U.S. and Canada use "trunking" radio systems for public safety communications . Trunking allows agencies to provide dozens or even hundreds of groups of users to share a small number of computer-controlled radio frequencies. The scanner radios below are all trunking models which also can scan regular (conventional) radio systems. The most expensive models are also digital which is required on many trunked and non-trunked systems. Check policescanners.net or call 1-800-SCANNER to check what type of scanner is required in your area.
