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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. Youve 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

On May 23, 2002, the Federal Communication Commission (FCC) in the United States updated their rules regarding five Industrial/Business Pool VHF frequencies known as the VHF color dot frequencies. These frequencies were moved from Part 90 to Part

Mobile Two-Way Radio Mobile two-way radios are primarily designed for use in a vehicle. They have a bracket that enables you to mount them under your dashboard or in some other convenient location, plus they run off the 12 volt vehicle

In an effort to achieve standardization objectives for purchases of products used by the military and other government organizations, the U.S. Department of Defense created standards that these products must meet. You will see these standards

Handheld Two-Way Radio Handheld two-way radios are the walkie talkie type of radios you see people carrying around. They are also called portable radios. As ruled by the FCC (Federal Communications Commission), handheld radios may not

When you purchase a two way radio in the United States that operates in the business band VHF or UHF frequencies, the FCC requires that you get a license to operate them. Like all government requirements, paperwork will be involved and it can

One of the features of some two-way radio models is the Emergency alert button. When pressed, this button sends out a distress call to other radios within range. This feature allows the user to quickly send out a distress signal in case of an