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Overview Of The Mobile Radio Scanner

Selecting a mobile radio scanner will greatly depend on the purpose that it is being purchased for. If an individual wishes to monitor transmissions within a local area, they will find that a lower end scanner will be effective. However, if the scanner will be used in an area where a person may require emergency assistance there are scanners made that have emergency beacons built into them.

Some people get a mobile radio scanner because they enjoy following police and emergency vehicle responses or are assisting policy in some way in a volunteer capacity. Other people need the scanner because they live in an area that has such severe weather that they can be left in perilous situations if they are not aware of incoming storms or must be able to get help when there is not electricity.

The scanners are designed to meet the specific needs of the individual who use them. When a person is caught in a snowstorm with no means of getting help, the use of an emergency beacon will alert emergency services to one's location quickly. If a person wants to use their scanner in their car and home, it can easily be adapted to act as a home base unit.

When in a vehicle the average mobile radio scanner will pick up transmissions up to forty miles away. The range of the receiver is based on the size and type of antenna that is being sued. Some people use a glass mounted antenna which is permanently attached to a vehicle's glass. Some of these antennas are placed on the sun roof of a car. Other times the antenna will be installed on the rear glass of the vehicle. These antennas are not grounded to the vehicle and their range is more limited than a magnetic mounted antenna.

Glass mounted antennas are permanently attached to the glass on a vehicle. Some people use these antennas on their sun roofs. Other individuals place the antenna on the back window. Some of these antennas can be removed from the base unit. But most are permanent fixtures on the vehicle once they are installed.

Depending on the scanner selected, a mobile radio scanner is capable of monitoring hundreds of channels between 30Mhz and 3Ghz. VHF monitoring falls within 30Mhz and 300Mhz, This frequency is used primarily by the military, police, air traffic controllers, etc. The VHF to UHF is between 300Mhz and 3Ghz and is used by public service agencies with their two-way radios.

The scanners store thousands of channels and can scan hundreds of frequencies per second. Some of the scanners can follow trunked systems and the APCO-Project 25 digital radio frequencies used by federal, state, and local public agencies. Since the increase in terrorism and need for more secure communication, a mobile radio scanner cannot receive encrypted transmissions legally.

There are many times when the mobile radio scanner that one selects will provide security. This is especially true of individuals who travel a lot or live in areas with severe climate changes. Having a mobile scanner that can receive important information when one is travelingComputer Technology Articles, or emit an emergency beacon when a person is stranded is of enormous benefit to most people.

Article Tags: Mobile Radio Scanner, Mobile Radio, Radio Scanner, Some People, These Antennas

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