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If you've ever shouted across your house or business and have been frustrated by the lack of response, you know why you need an intercom system . An intercom allows people to communicate instantly with each other through the push of a

Without a motorcycle intercom, motorcycle riding is a solitary experience. When you're riding alone it's a good way to clear your head or get your thoughts together. But if you've got a passenger, or you're riding with another biker, inevitably you'll want to talk to them. Motorcycle intercom systems that mount in your helmet let you do that.

Since two-way radios are mobile devices, obviously they operate on battery power. The batteries used in most of the models are rechargeable type, with some of the devices working on AA or AAA type non-rechargeable, throwaway

The Voice Activated Transmit (VOX) feature enables you to use your radio "hands free." When VOX is turned on, the radio will automatically begin transmitting when you speak, without pressing the push-to-talk button. VOX works

Two-way radios can have multiple channels. In some cases like the MURS radios, there are only 5 channels available. Other radios typically have up to 10 channels available, or you can program them to only use one channel.

Multi-Mile Wireless Access Control and Security Devices To download your free copy of the Multi-Mile Wireless Access Control and Security Devices whitepaper, right click on the following link and click on "Save Link As" to save it

A wireless gate intercom systems for home or business is used at driveway gates, security gates, or entry gates There are several technologies and the right one for you depends on factors like distance from your house or business, and the features

When you're shopping for a two-way radio you'll find that there's a very wide difference in prices. Some radios are priced under $50 while others cost several hundred. Why is this? What's the difference between them? Which one should you choose?

Two-way radios are an essential part of oil rig and oil field operations. In fact, there are typically a number of job positions that require 2-way radios due to the need for quick responses and real-time coordination essential in this high-risk

This feature of a two-way radio is also called , "Courtesy Beep," "Roger Beep," or the "End of Transmission Tone. When the user activates this feature, it transmits a tone to the listener when the speakers side transmission is complete. The

A two-way radio repeater takes weak and low-performing signals and retransmits them at a higher power so they can cover longer distances, ranges, and terrains without degradation. Repeaters eliminate unwanted noise and interference, helping to

Two-way radios have a limited number of channels available based on the frequencies assigned by the FCC, so there is always a chance someone else may be using the same channel you are using. This is the reason for privacy codes. Privacy codes

Two-Way Radio Power Output One important factor in the distance a two-way radio will communicate is its power output. This power output is measured in watts. You've likely heard an FM radio station say they are broadcasting at 50,000 or

A two-way radio can be susceptible to interference from electrical noise generated by a some nearby electrical equipment. This noise may interfere with the regular operation of mobile radios. If the radio signal is strong, the noise component

The keypad lock feature of a two-way radio, when activated allows the user to lock the buttons so that in case the user presses them by mistake, it does not result in some unwanted action. This feature is useful when the user carries the radio

DTMF stands for Dual Tone Multi Frequency, which is the oldest and the most widely used data format on two way radios. This format was invented by Bell Telephone for telephones. DTMF is actually the generic term for Touch-Tone which is a

The word companding is actually the combination or blending of the two words compressing and expanding. This two-way radio feature is used when the device itself has a smaller dynamic range capacity and is required to transmit a large dynamic

Two way radios use several types of battery technologies.Some two-way radios take standard AA batteries that allow you to use rechargeable batteries, but in event of a long power outage, you can use off the shelf AA batteries when your

All commercial grade two way radios with rechargeable batteries come with a charging unit of some type. Depending on the battery type used, it may be a wall transformer that converts AC to DC and then plugs directly in to the radio, or it may be a

Two-Way Radio Antennas The good thing about base-station and two-way radios is that they allow you to extend range by using an external two way radio antenna . The base station units have what's called a BNC connector that enables you to

Most two way radios have a jack for a two-way radio audio accessory like a headset or speaker microphone. When headsets are used with VOX capability the user can talk with hands free operation. There are a variety of audio accessories

Handheld two-way radio devices operate on battery power so it is important to make sure their batteries last as long as possible. Most radio transmissions take on an average of 5 seconds. A transmission of a single long duration may indicate there

The squelch feature of a two-way radio keeps the speaker quiet when no signal is present. The squelch setting adjusts the threshold at which signals will open (un-mute) the audio channel. It acts to suppress the audio output of the receiver in the

This two-way radio feature allows the user to skip a channel they know is not required during the radio's channel scanning. Therefore when the radio is scanning the available channels, it will jump over the channels that the user has selected to

Usually when you want to buy a commercial quality two-way radio for your business, you'll be required to obtain an FCC license. You can go two routes to obtain a license. One is you hire someone to fill out the paperwork for you at a cost of