FIVE REASONS TO MIGRATE TO DIGITAL TWO-WAY RADIOS

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In the beginning, there was analog technology, which uses frequency modulation (FM) to produce a continuous wave with the voice signal. An analog two-way radio works as both transmitter and receiver, with that continuous wave in between. Analog has been the primary technology platform since the initial development of wireless communications.

Analog radios have been used for business applications as far back as 1933.

  • Analog Advantages: The integration of such a simple system into a single computer

chip has dramatically reduced the cost of analog radios.

  • Analog Disadvantages: The analog radio system has many functional limitations, and

the technology has been around so long that the scope of possible innovations is virtually exhausted.

ALONG COMES DIGITAL

Digital two-way radios operate by encoding, transmitting, and decoding sound waves. The signal is represented by binary numbers—1s and 0s—that correspond with voltage values. Inside the radio, the vocoder—an analysis/synthesis system used to reproduce human speech—encodes the transmission. The radio sends the signal, and the vocoder on the receiving end decodes it.

In addition, the software in digital radios contains an algorithm that recognizes the difference between voice and background noise and cancels undesirable audio for clearer, cleaner sound quality. Digital two-way radios can also include software applications that integrate into existing computer networks and phone systems. As a result, digital radios can enable a multitude of additional functions, including GPS, text messaging, and other information sharing, communications, and operations programs and capabilities.

By proactively transitioning to digital radios now, your organization will enjoy greater benefits immediately, and your fleet is ready for the high-efficiency, app-driven innovations coming in the future.

FIVE REASONS TO GO DIGITAL

  • Improved Audio Quality • Enhanced Clarity throughout the Coverage Range
  • Greater Efficiency • Extended Battery Life • Applications that Add Functionality
  1. Improved Audio Quality: Digital technology reduces external background noises during

transmission, thereby making the digital technology platform ideal for situations such as

noisy manufacturing and processing plants, or outside in windy conditions.

  1. Enhanced Clarity throughout the Coverage

Range: While an analog radio is capable of producing a clear signal within its peak performance range, once the signal moves too far from the transmit point, the analog audio will slowly fade out until it is unrecognizable. By contrast, a digital signal stays much stronger and clearer to the limits of the coverage range.

  1. Greater Efficiency: Digital radios operate in

Dual-Capacity Direct Mode (DCDM), which means that radios can share the same channel by alternating time slots. These time slots move incredibly fast, and since they alternate, more simultaneous talking paths are possible on each channel with no degradation. Plus, key information such as unit ID, status buttons, and enhanced text messages can be embedded into a single digital radio channel. In many cases, migrating from analog to digital allows users to increase talk paths without a repeater.

  1. Extended Battery Life: Since digital radio transmitters are not constantly “on,” digital

radios generally have a significantly longer battery life than analog models. When events run all day, that can mean the difference between efficient communications for the full cycle or the headache of a number of dead batteries that need swapping out and recharging.

  1. Applications that Add Functionality: Software applications are available to optimize digital

platforms using integrated Internet Protocol (IP) networks. For example, some of the leading app providers for Motorola MOTOTRBO digital radios include:

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TABLETmedia

NeoTerra Systems

Twisted Pair

TurboVUi

Teldio

MOVING TO DIGITAL

For those switching from analog to digital, there is good news: Digital platforms provide a migration path that allows for simultaneous use of digital and analog radios. Backward compatibility allows organizations to gradually replace analog devices with newer digital models without the added stress of shifting to a new system. Also, many analog radio accessories are compatible with digital devices.

THE MOTOROLA CP200 AND CP200d

The existing CP200 is one of the most popular two-way radios ever produced! So the question is: How can you improve on the Motorola CP200? The answer: By creating a version that leverages all the benefits digital delivers.

Introducing… the CP200d digital two-way radio, a new model that retains the same simplicity and durability that have made Motorola’s CP200 the industry standard for years. The new CP200d uses a nearly identical form factor with similar operation. Plus, this highly flexible digital model is backward compatible, so it uses the same chargers, batteries, and speaker-microphones.

Motorola is adding sensible options to your two-way radio fleet by offering the existing CP200 device in the CP200d digital-capable version that can be fully converted from analog to digital operation at a later date. That means you can use a phased migration approach by using your new CP200d as an analog device now, and then with a simple programming change, switch to digital at any time in the future. Or, you have the option to take out-of-the-box delivery of the CP200d as a digital device from the get-go.

THE TALE OF THE TRBO

MOTOTRBO is Motorola’s next-generation system of digital portable and mobile radios, repeaters, and accessories. Thanks to the advantages of digital technology, this professional line delivers advanced performance to increase capacity and productivity while integrating voice and data communications.

Versatile and powerful, MOTOTRBO combines the best of two-way radio functionality with the latest digital features that deliver ease of use and added performance to meet your communication needs from the field to the factory floor. With exceptional voice quality and long battery life, MOTOTRBO keeps your work teams connected when communication is a must.

http://www.bearcom.com/resource-library/BearComAnalogToDigitalMigrationGuide.pdf

Buy The Right Kenwood Radio Earpiece So You Can Work Hands-free

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Radio earpieces are extremely important when you have to perform tasks where you can’t use your hands to hold the radio to communicate with your people. Furthermore, earpieces are also important for employees who have to take important calls but their hands are not free to pick up those calls. Take the employees and workers working in a restaurant for examples. These employees cannot pick up calls on a handset since their hands are busy in preparing food for their customers. If you are a person who has to use a radio on his job, you need the earpieces that provide you comfort.

Kenwood radio earpiece is one of the best you can find on the market. They are easily available online with all the necessary accessories. You can see the pictures and decide the type of accessories you want with your earpiece. There are many different types of earpieces available from Kenwood but most of them come with a few accessories more or less. There isn’t much difference in the quality of the earpieces or how they are built. One important thing you must note is that they will only fit Kenwood radios so buy them only when you have Kenwood equipment.

The Kenwood radio earpiece comes with all the accessories that not only make your job easier but also provide your ears the comfort it needs. The pieces that go inside your ear are prepared in many different designs. In most cases, the earpiece will go inside the ear and fill your ear canal. Most of these earpieces come with the surveillance tube that lets you disconnect the audio tube in a second when you are doing a sensitive task. The coil tube extends due to the coiled structure it has but it only lets you hear whatever is being communicated over the radio.

The earpieces are available in different forms but a focus is kept on making them hypoallergenic and non-invasive. If you are a person who has to keep the earpieces on for hours, you will not be comfortable with most of the shapes of earpieces. After a couple of hours they all will be a bit painful for you. Kenwood, a reputable company in the multimedia industry, allows you to have a custom earpiece in this case. This custom earpiece fits your ear perfectly so you can have your Kenwood radio earpiece on even if you have to work for 3 hours or more.

Kenwood radio earpiece is made from best materials and so you can wear them without worrying about the allergies. Furthermore, you can also buy the PHS air blower that can be bought separately to clean the tube you are using with your earpiece. These earpieces are made with people with active and busy lives in mind. Therefore, you can wear these earpieces during the busiest days without worrying that your earpiece might fall. If you have a Kenwood radio and you need to communicate stealthily, search on the internet for the best earpiece from Kenwood for your job.

Benefits of Two Way Radios to the Hotel Industry

Over the years, hotel communication has had to change and develop, becoming more and more efficient than it was. This is courtesy of the advancement in technology over these years. Passed are the days that two way radios were exclusively for police official use. Nowadays, these pieces of technology that have been improved and made even better are used for hotel communications. These state of the art technology have lots of benefits that any of us have been recipients of in one way or the other. Being in the hospitality industry, I can outline with ease some of the major benefits that these 2 way radios have brought into hospitality.

First and foremost, the service offered to the customers in the hotels has been improved. When taking orders in the restaurants back in the day, the waiters had to go all the way back to the kitchen to request for the order. Okay, this was not much of a problem for the small establishments. However, as the hotel grew and the number of employees grew, the kitchen area would get so crowded that out was difficult to get the job done. With the new Two-way radio technology however, all the waitress have to do is call out the order through the gadget and it is received on the other end saving on the time.

Also, being in the hotel business, I can testify that just like in any other business, there are major up and downs. However, unlike many other businesses, there is no space for screwing up. A single mishaps can cost you millions. The best way to avoid this from happening, is by communicating with the manager and airing out issues that might be there. Communication is key in this business and the sooner an issue is sorted out the faster you can move on and provide quality service to your customers.

Security. Do we really have to spell out the benefits that Two way radios have with regards to security in the hospitality industry. The hotel industry harbors people of different kinds and who have different intentions. As such, the necessary measures need to be taken to ensure the security of the staff as well as the other peaceable customers. The rate at which the security personnel react to distress calls can be the determining factor to how the security emergency turns out. The 2 way radios have greatly increased the speed in which the security personnel respond to security threats and also ensure that they are on top of every situation as every member in the hotel informs them when there is a security risk.

In addition to the above benefits, the 2 way radios are cost effective and are also very easy to use. With the Two way radios, the management does not have to pay any network provider so that they can communicate. This reduces the cost of operation of the hotel by a great margin. To talk through to the other person on the other end of the line, all you have to do is press a button on the front and you will get through. It is as easy as that.

The benefits of the Two-way radios are numerous. This makes them a major asset to any hotel.

A Personal experience of a doorman using an earpiece

Communication, as you all know is so vital in all aspects of our lives. In any security set up, whether you are protecting high profile personnel or you are carrying out a covert operation or even just working as a doorman, one thing has been clear to me; that communication between you and your team or your bosses is vital as well in ensuring that things run smoothly. However, communication may be interrupted depending on the working environment. Other days you may find yourself in rather noisy crowds. When this happens, it is important that you choose the right communication device and accessories that will make your work easier. An earpiece has been one of my favorite working gadgets for a very long time.

Why Do I like the doorman earpiece

Ever since I started using doorman radio earpiece, things have really been smooth for me and my work. An earpiece makes it practically simple to communicate and coordinate things between me and my colleagues together with my employers. Among the things that make these earpieces interesting and fun to work with include:

· They are en suite with excellent quality Kevlar cabling and strain relief that are long lasting which protects them from spoiling when pushed to the extreme.

· Doorman earpieces have excellent audio quality that easily neutralise any surrounding noise allowing an operative to hear everything said to them in a very clear and loud manner. In addition, most of them are fitted with microphones making it easier for a two way communication.

· They are compatible with a lot of gadgets and even more comforting is the fact they can easily be replaced at a very affordable price.

· Unlike many electronic gadgets, doorman earpiece is pretty easier to configure and use. It will interest you to know that no skill or knowledge is required to set it up and make it work.

What to look for when purchasing an earpiece

Technology keeps changing from time to time, and so are needs. As a doorman/bouncer, there are specific things you ought to look for when purchasing a doorman earpiece. These are features that are needs to be compatible, rather friendly with your working environment and your preference as a person. For instance, if your work is based in a noisy environment like say a club, you will need very fine audio quality sets that fit properly in your ear preventing any interruption from outside. In addition, you may consider the cords strength if you are working in a hostile environment where people keep getting in fights.

Compatibility is another important thing to look for in a earpiece. Note that there are earpieces that are compatible with nearly all types of gadgets while others are restricted to only specified gadgets. For flexibility be keen to purchase an earpiece is works with wide range of gadgets. Finally, the cost is equally as important. Contrary to what many people believe, expensive doesn’t always mean better, the same way inexpensive doesn’t necessarily mean something is of poor quality. Compare features and always go for one that looks a bit refined for a better experience.

Conclusion

It is clear that every one working in security should absolutely have a set of doorman earpieces. It is not only efficient, but also profoundly valuable to this line of work. Take your time, and determine what will work for and get the earpiece that will make your work easier.

Have You Ever Thought How Do 2 way radios work?

To put it simply, a two-way radio is a device that can both receive and transmit voice messages. In broader terms, it can be said that most wireless communication, and it may include cellular systems, fall under the definition. However, these days, two-way radio is a term to describe radio system for group call communication. The two-way radio comes in several technical names such as Public Access Mobile Radio, Private Mobile Radio, Land Mobile Radio and Professional Mobile Radio. These present times, two-way radios are often called “walkie talkies”. There are several kinds of two-way radio systems and some are able to make use of base and mobile configuration, while some re able to utilize a radio network infrastructure.

A typical two-way radio includes a PTT button, also known as Push-To-Talk button. The button activates the transmitter and the user simply needs to talk to the device to start communicating. The user must release the PTT button in order to receive transmissions from the other line.

A two-way radio is able to communicate with other radio devices. However, direct radio communication has very limited range. To overcome the problem, a radio network infrastructure may be used to extend the range of communications. The rest of the article is going to cover more details about how 2 way radios work and other useful information.

Receiving Radio Waves

Just like other forms of Wireless communications, a two-way radio sends messages over the air. In order to achieve this, the antenna of a way radio contains a specific set of electrons. If the two-way radio features multiple channels, then there is specific sets of electrons are each channel. Whenever a radio transmission is received by the two-way radio, the electrons get excited. The electrons then create electrical impulses. Electrical impulses are then sent to a small processor, which will then convert the electrical impulses to words and sounds that can be understood by humans. The sounds are produced by the speakers within that two way radio.

Keep in mind that there are always radio waves are floating in the air. Because of it, there is always a nondescript sound that may be produced by the two-way radios. To solve the issue, a lot of two-way radios feature a “squelch” setting; and with it, the user can adjust the signal threshold for clearer communications.

Sending Transmissions

Two-way radios can also send messages across the air. The main idea is to convert the sound to radio waves. However, the defining characteristic about the way radio is its ability the convert back the radio waves back to legible sounds.

Whenever a user speaks into a two-way radio, a membrane within the device will vibrate as a response to the sounds. The vibrations are sent to the processor, which in turn converts them to electrical impulses and readies it for transmission.. Finally, the transmission is sent to the antenna which is then broadcasted in the form of radio waves. These radio waves are then received by another device and convert them back to a legible sound.

Multiple Channels

As two-way radios are getting more and more popular, it is possible for more than one party communicating in the same line or frequency. This can cause a lot of confusion and interference. To solve the problem, modern two-way radios are able to utilize multiple channels.

For a two-way radio to broadcast on multiple channels, the device must be able to generate radio waves in multiple frequencies. Furthermore, the device must be able to send frequencies with very little fluctuations. These fluctuations are actually caused by the transmitted voices. The fluctuations can be minimized through “frequency modulation”. The modulated transmissions are then sent to the device’s antenna.

The device must also excite the proper electrons. Once the proper electrons are excited, an outgoing radio wave is then produced.

These radio waves may be picked up by another device tuning into the same frequency. Furthermore, the device must be within range of the transmitting device. The range of two-way radio is usually determined by a couple of factors such as atmospheric conditions, radio’s battery power and the size of the two-radio’s antenna.

Whenever a device picks up the transmission, the receiving radio must filter the signals through an electronic filter known as a bandpass filter. Finally, the transmission is then converted back to sound.

Why Choose A Two Way Radio

The two-way radio is one of the earliest forms of wireless communication. However, in today’s modernized communication environment, a question arises – is the way radio a viable technology? The answer to that question is a yes. This is because the two-way radio has its own unique advantages that may not be found in other forms of wireless communications. Below are two of them:

Instant Communication – the ability to communicate between two or more parties almost instantly is one of the most defining advantages of the two-way radio. A user only needs to press the “Push-To-Talk” button and within seconds a receiver will be able to receive the audio messages. Furthermore, the entire system is set up around the idea of “quick call” and “quick receive”. This is the main reason why the organizations rely on the two-way radio technology for operational and tactical communications. The system can also make use of encryption technology for a more secure communication.

Group Communications

Another unique advantage of two-way radio is its ability to facilitate “group call” or “one-to-many” communications very efficiently. By efficient, it means that the user can communicate with one, hundreds or thousands at the same time. There is no need for a user to repeat the same message if he/she needs to communicate to more than one individual.

A two-way radio is one of the earliest technologies used for wireless communications. Even though it is a bit outdated compared to other forms of wireless communications, but the usefulness is still very applicable today. The main idea of how 2 way radios work revolves around on sending and receiving radio waves, which in turn is converted to legible sounds. The idea and technology behind two-way radio may be simple, but nevertheless it is still a very well-used form of communication in today’s world.

My Other Computer’s a TARDIS: Virtual Reality Makes Time Travel Possible

A new virtual form of ‘time travel’ could be employed to help victims of traumatic experiences overcome their ordeals.

In a computer generated ‘virtual world’, participants can move about and interact with their environment in a similar manner to how they would in the real world.

Professor Mars are unassailably cool, told BBC news that,

“In virtual reality, the brain’s low level perceptual system does not distinguish between the virtual and the real world; the brain takes what it sees and hears in a surrounding environment as given (…) Therefore, if they had an experience with the illusion of time travel, there is implicit learning that the past is mutable, that is: ‘my own past decisions don’t matter because they’re changeable’.”

The latest study, published in the journal ‘Frontiers in Psychology’ featured a scenario wherein 32 test subjects witnessed a brutal multiple murder. In the virtual scenario, (presumably designed to induce both a moral dilemma and a controllable level of trauma) a man opened fire in a crowded art gallery and ‘killed’ five people.

Gunman starts shooting in the virtual world

The group then elected to ‘go back in time’ and attempt to prevent the murders.

Half of the group were not allowed to change their actions and simply had to repeat the event, the other half were allowed to intervene, but knew that doing so would result in the death of one person. Essentially, these people had to face the ethical dilemma of forfeiting the life of that one person in order to save five people.

Unsurprisingly, most of the test group chose to sacrifice the one life.

In terms of practical applications, this equipment is expected to allow people suffering with PTSD (Post Traumatic Stress Disorder) and other psychological issues to confront their previous actions/inactions and better understand them in order to forgive themselves and move on.

Such technology might also be applied to prisoners undergoing therapy and/or rehabilitation, or even survivors of violent assaults.

Dr. Friedman Doron of the Sammy Ofer School of Communications in Israel, who worked as the study’s lead author, said that, for now, his team’s work is the closest people can get to actual time travel. He told BBC news,

“Highly immersive virtual reality is very visceral. People hide behind the desk when they get shot. Some of the subjects duck down. It’s the best thing we can do for time travel until the physicists do their job and come up with a time machine. For now this is the closest thing.”

What Is a Spy Earpiece?

Thanks for reading my website, here is a piece i actually loved reading. With their agreement i can repost it. I write plenty of my own content, but sporadically post other articles i find interesting, thanks for reading.

In the world of secret spy gear, a radio earpiece is commonly used by undercover agents. The spy earpiece is a radio-controlled ear headphone that receives transmissions from cell phones or two-way radios. This earpiece is a small, discreet device similar to a hearing aid. The technology that enables this earpiece to work with cell phones uses Bluetooth® technology.

spy earpiece

These earpieces are connected to small wireless microphones that are hidden in the wardrobe of the agents. This gives the agent the ability to have a two-way, discreet conversation with other groups and security personnel. The Secret Service is a federal law enforcement agency in the United States that uses spy earpiece equipment as part of its work protecting public officials. These specially designed earpieces have the ability to hear wireless transmissions from radio devices that are many miles away.

A spy earpiece is typically concealed with special rubber material that looks like human skin. This earpiece is easily covered with hair and makeup, which makes it difficult to notice from a distance. Most concealed earpieces are only noticeable through behavioural actions of the users. Some examples of this type of behaviour include strange gestures and the appearance of talking to oneself.

There are many companies that sell spy equipment to the general public. This is used in daily life for surveillance and cheating. Many students attempt to use these devices to cheat on tests or college exams. They are also used by gambling rings to cheat at card games at casinos.

A police detective can use an undercover spy earpiece for surveillance operations. This tool helps an officer blend into the crowd while he monitors his suspect. It is typically hidden well enough that it is difficult for an average person to notice.

Ear headphones can also be used as spy earpiece equipment. These headphones present the illusion of listening to music when connected to an audio device. In covert operations, the music player can actually be a cell phone in disguise.

A typical spy earpiece is the same price as a standard Bluetooth® ear device. This spy gear can be purchased at specialty stores or on the Internet. Most phone ear piece equipment provides good listening quality with decent wireless range.

Police Earpieces

There are a wide variety of Police Earpieces on the market, whether you need an Overt orCovert Earpiece, listen only or with Push To Talk (PTT) and Microphone, whether you want in ear or headset, D Shape, G Shape or Acoustic and choice is to be honest 100% personal preference! What I will do today is run over the basic pro’s and con’s of each type of police earpiece and their normal uses but ultimately you have to try a few different types and find what works for you.

With covert ear pieces you have a couple of options a wireless in ear receiver and hidden mic that runs to a minimum of £200 and probably more like £500 or the more common acoustic earpiece with clear coiled tube which will set you back anywhere between £12 and £20.  The clear tube runs out of the back of the wearers shirt collar and loops over the top of the ear and into the ear canal.  There are two options then for fitting the tube into the ear canal, either the standard “Mushroom Tip” which blocks the whole ear canal of the “Gel Earpiece Insert” that fits into the ear well to hold it in place and then a smaller tube runs into the ear canal allowing both clear transmission of comms without the earpiece completely cutting off ambient local sounds.  Acoustic Covert earpieces can have a 3 wire PTT and Mic allowing the mic to be lapel mounted or hidden in a sleeve or listen only.

G Shape police ear pieces fit like an inverted G made of black plastic or rubber, hooked over the top of the ear with the earpiece speaker coming down to the opening of the ear canal (some ear pieces have it swivel mounted others don’t).  General consensus is that the G shape earpiece is the most comfortable for the most users.

D Shape Police Earpieces (surprisingly enough) are black plastic or rubber D Shapes with the curve hooking round the back of the ear and the straight part running down the centre of the ear with the speaker mounted in the middle to align with the ear opening.  These do not fit as close to the ear as a G Shape earpiece and people with bigger ears may tend to find they flap about like Dumbo when running!!

Both D and G Shape earpieces are available in PTT and Mic or listen only and will normally set you back anywhere between £10 and £20.

Earpieceonline has the most common police radio earpieces are for Motorola MTH800 and CP040 Series, Sepura SRP 2000 series and a few models of Kenwood. Continue reading Police Earpieces