Two-way radios - a cell phone alternative
| Added: 06-02-2010 Author: Phoenix Roberts Category: Radio Set |
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Breaker one-nine, a good friend, the old Smokey had his eyes open, to keep the double nickel near milepost 215!
They are old enough to remember the CB-radio craze in the late 70's probably remember the ads Hands colorful. For most people, 2-way radio is more than just a way for Citizens Band channels truck driver in the 19 to avoid the highway patrol officers using radar guns to catch speeders. To find the right radio for your situation, you need to know some important requirements:
FCC : The Communication Commission of the Federation - which oversees federal agents Distance to public radio. FCC license to users, make laws for the use of and penalties for misuse and abuse of all radio communications.
Pirates : Radio air traffic illegal; FCC won t depends on the yardarm, but if they see you're running without a license when you need it, you'll see that the fines.
VHF : Very High Frequency radio waves - which runs on 30MHz to 300MHz. Range around line-of-sight, because as you can see the transmitter receiver, the receiver can hear the transmitter. Relatively clear in the ground as the suburbs, has been better than the VHF / UHF range. Common use of VHF FM radio and television stations 2-13.
UHF : Ultra High Frequency radio waves - which operates at 300MHz and 3GHz. UHF frequencies and working too little antennas and buildings better than VHF, this decision to use capital. Low-power UHF transmit very short range UHF multiple devices (cordless phones, baby monitors, Wi-Fi Internet, etc.) can be used in proximity without disturbing anyone. Several television stations were broadcast in the UHF range.
Citizens Band (CB) operating at 27MHz (VHF band below). Allocated for public use in 1950 year, which reached its peak in 1970 years. The range is limited by law 5 miles. Two other way radio technology is a big competition for the CB, but CB is still cheap, simple, fun to use the option, especially when the drive way (highway road).
Family Radio Service (Frs)-462 operating at 467MHz. Created in 1996 as an alternative to UHF CB; this 2-way portable radio up to 14 channels and 0.5 Watts of power. No FCC license is required for Frs designed for private, short-range, personal communication. It's great for use in the neighborhood Casual or hall.
General Mobile Radio Service (GMRS) is also working on the 462-467MHz. Created in 1960 as the year Risk A Citizens Radio, anyone on May 18 asking for permission, which also includes the family and must be renewed every five years. GMRS uses 15 channels (7, which they share with Frs) and small to 50Watts of power. Walkie-talkie away to win the CB or Frs FCC puts a high-level technical for them. New eyes 2-way radios are available Frs showing all GMRS frequencies. Also designed to relax, personal use, this is for fans of the radio.
Multi-Use Radio Service (URS)-151 operating at 154MHz. Created in 2000 as a citizen VHF band (license free) band of personal or business use of the short distance, URS 2-way radio with five channels and small to 2Watts. URS is the lack of benefit limits Handhelds external antenna. This means, for example, you can Replace large antenna your car, connect to your antennas ndheld and found that the biggest car-to-vehicle range URS Frs.
Additionally, the Industry / Business Radio Pool (IBRP) with a group that operates several channels in different frequency bands VHF and UHF. Elected in 1995 for business activities - delivery, coordination of materials, etc. Because of many different frequencies are available, licensees must purchase IBRP radios on matching frequencies.
Two-way digital radio (DTR) is a new business idea that fasting radio transmitted. DTR walkie-talkies work on the 2.4 GHz and do not require a license. Being digital, UHF communicator offers enhanced privacy, greater range, longer battery and high-quality radio. They will, exactly how they work quickly in the market for personal consumption.
How do I buy two radios:
Two-way radios come in three basic types:
Base stations is a two-way radio sitting on a table or desk, plug into the wall and work through the antenna tower.
Mobile stations radio installed in the car - they can be designed specifically for vehicle use or for all homes and cars.
Handhelds time for self-contained, battery-called Common zinaendeshwa walkie-talkie radios.
Before considering which of the 2-way purchase, consider how you will use it. Very rarely used in the surrounding environment, camp or store? Will be used every day to keep the jobsite office to contact? Great Plains will be used or the Rocky Mountains? How far is the user normally would?
Half-Watt Frs two-way radio is the cheapest and the shortest distance. In this limit, the radio is very good. URS-type radio stations have great power and distance from Frs. A GMRS radio is a better choice for the field interference (the city, mountains, forests) or for those who need more talk about the range. If you can buy the equipment and you can get a license, DTR is the best technology available.
In general, what to pay for the walkie-talkie, mobile or base station. DTR or using GMRS channels, you need one type of radio that the police and fire departments, road crews and commercial businesses. This means re-buying electronic professional class, get a higher price than what the local hobby shop, but generally better teeth.
Indeed, two-way radio and power more and more diverse. They also use more power, so the battery dry faster (not a consideration with basic facilities, actually). If you are using a walkie-talkie often, rechargeable batteries will save money in the long run.
Solid state electronics for violating your radio is a very small problem compared to vacuum tube days. However, don t drop the radio - especially in the water, like electricity and water don t mix well. Unless you are a walkie-talkie is designed and built for air or sea is rough, stay dry. Turn off when not in use. Is clean and dry cloth or canned air after use. Store out of direct sunlight. Buying a case of immunization in the skin, nylon or plastic. Handheld, in particular, will wear out but, if you use common sense, you and how you will be two years of fun together.
When looking back Tough walkie-talkies that use ll stand hard, look at the spec-mile radio description. This radio Defense Logistics Agency to meet the guidelines to keep things crude and often address Tumble soldiers. If you can use around flammables radio, Factory Mutual Global has set the industry standard is intrinsically safe two-way radios that meet these criteria is not to produce sparks.
Why not choose a radio phone?
Several reasons: Good 2-way radios will reach a point off the phone, especially at large out. Kukuruhusu walkie talkie to talk to every one hour. Common bond of two-way radio is much better (1-2 years vs. 90 days). Examples of many new radio and telephone interconnection, selective calling and caller ID technology, such as mobile phones. Walkie-talkies don t need a monthly fee; bought radio license (if required) and you're good to go. A walkie talkie will often continue to work when the service disrupted cell or landline and disasters. Not fully mobile in addition to radio, and never will - especially in their field, each is a great communication tool.
For more information:
Personal Radio Steering Group (http:www.provide.net/ ~ prsg / home.htm) is a voluntary advocacy group for citizens radio users and a great place to get info about recent changes in legal and other issues.
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