Monday, June 13, 2011

Discussing the Purpose of Police Scanners and Associated Regulations

Police scanners are radio receivers that are able to automatically scan, or tune into, other frequencies. When scanning, the device will stop when it finds a signal on another frequency, then continue scanning additional frequencies after the original transmission stops. The term 'scanner' usually refers to a communication receiver intended for monitoring UHF and VHF land mobile systems, not international transmissions that operate off shortwave frequencies.
Most of these devices are able to tune into other modulations such as WFM, FM, and AM. When they first appeared on the scene, they were expensive, bulky, and slow. Thanks to technology, modern ones are fitted with micro-processors that enable them to monitor hundreds of channel

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