Ports with Kenwood Nexedge Walkie Talkie


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The global shipping industry expanded to revenues of over 8 billion by the end of 2008, growing at an average of 10% per year. The industry employs around 1.6 million people and some 8 billion tons of freight is handled each year through sea ports.

The emergence of new economies bringing strong demand for commodities matched to worldwide demand for cheaper manufactured goods has fuelled the growth of shipping as the most cost effective method to transport goods, accounting for some 90% of goods traded between countries.

Modern sea ports play a key role in the development of the global economy and service, not just geography, has become the driver to attracting traffic.

As port terminal operations have become more complex, with logistics, inventory controls, just-in-time service and sophisticated container tracking systems, so too has the need to maximise efficiency.

Clear reliable voice and data communication between port management and their many teams plays a pivotal role in delivering operational efficiency and improved safety and security; not easy across large areas with containers and mechanical handling equipment interfering with radio signals.

Kenwoods analogue and digital two Way Radio systems have been selected by some of the most modern ports in the world including Mersin International Port, Turkey and PSA International Port, Vietnam where they are deployed to enhance the flow of cargo by reducing the incidence of bottlenecks, while ensuring the safety of staff and the security of the facility.

More recently, Kenwood NEXEDGE Digital Two-Way radio systems employing walkie-talkies and in-vehicle mobile units (which feature an Analogue/Digital Mixed Mode allowing them to communicate automatically with any existing analogue radios whatever the make) have increasingly proven to be the right choice for customers seeking a straightforward and economical way to use their existing analogue fleet while migrating to the benefits of digital without compromising service quality and reliability.

All NEXEDGE hand portable walkie talkies conform to MIL-STD-810 C/D/E/F/G for ruggedness and durability and are IP54/55 Water & Dust Intrusion rated, making them ideal for operation in harsh environments.

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Equipment failure forces early switch of fire departments to digital system


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A radio equipment failure Thursday forced the Shawnee County Emergency Communications Center to switch several fire departments over to its new digital system earlier than planned, an official said Friday.
Capt. Lance Royer, director of the Emergency Communications Center, said in an email a failure in Walkie talkie equipment providing the link between the 911 center and its master site for the older analog system necessitated a switch to the countys backup plan. The center had to use control stations for its 911 center and fire units in the field, Royer said.
Royer said control stations are radios that remain stationary in the Law Enforcement Center and are attached to an antenna outside the building. They serve as a backup if the dispatch console fails, he said.
While the county already had deployed new 2 way Radio units to the Topeka, Mission Township, Shawnee Heights and Soldier Township fire departments, Royer said, they had been using those on the old analog system because four rural fire departments hadnt yet received the new radios.
We intended to earmark a date to go live for all fire agencies, Royer said.
But because of Thursdays system failure, the county decided to move the departments with the new radios over to the new P25 digital radio system immediately.
The other four rural fire departments Dover, Auburn, Silver Lake and Rossville still are using the analog system communication to the 911 center using its backup plan, Royer said.
The county will issue new portable radios to those remaining departments next week, and they will move onto the new digital system, Royer said. At that point, all Shawnee County public safety agencies except American Medical Response ambulance service will be functioning on the new digital system.
Royer said AMR is currently programming its radios and soon will make the switch to the new system.
Launch dates for the digital communication system have been pushed back multiple times this year. It was initially expected to launch by the end of March, but at that time new radios were still being installed in emergency responders vehicles.
The digital system from Motorola Solutions Inc. cost $12.1 million, according to Capital-Journal archives. Officials said the system would replace a 15-year-old analog system that was outdated to the point where Motorola could no longer repair some equipment that was broken.

Technologies Used For a Two way radio


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2 way radio intercomA two Way Radio employs various technologies to send and receive data. These technologies have been se developed that they make the use of this type of a radio very easy. Also with every technology, different types of features are incorporated within the radio so that it meets the needs of the customers.

The first two way radios employed a conventional technology in which operated on fixed channels. The use of conventional technology allows the use of only a single channel at a time even if the radio can operate on multiple channels. When radios are made using this technology, they are provided a scan feature so that the user can scan for and find the particular channel that one wants to listen to or use for the transmission of data. The provision of this feature prevents the user from using the channel selector that takes a lot of time to locate a particular channel.

Another technology used for two way radios is the trunked technology. In this technology, the radio picks up a frequency by itself. In this type of technology, the radio channels work according to a protocol to ensure that the assignment of channels takes place automatically. In this type of a radio system, a control channel is used by the protocol so as to control the allocation of frequencies to the radio.

Simplex technology is yet another technology that is used for two way radios. In this a single channel is used by the radios to send and receive data. Radios with this technology are the most common ones used for the purpose of communication. These types of radios are the most reliable ones for short distance transmission of data. The duplex technology when used for two way radios makes available two different channels, one for sending data and the other for receiving data. The use of two separate channels ensures that the data or signals do not interfere with each other. The duplex technology can be used in two ways in a two way radio. The first is the half duplex technology in which a radio can either send or receive signals at any given time. The second one is the full duplex technology in which the radios can send and receive signals simultaneously. This technology results in faster transmission of data.

Push to talk technology has also been used in these types of radios recently. In these radios, a button has to be pushed to start the transmission of data. These are popularly used in different types of vehicles.

Analog and digital technologies can also be used for these radios. When the analog technology is used, these radios transfer analog signals that have varying frequencies. When the digital technology is used for these radios, they transmit and receive digital data which has only two forms, namely on and off. This means that the frequency of digital signals is fixed. The 2 way radios that transmit analog signals are more popular because most communication takes place in the analog format. However, there is much more clarity in the transmission when the digital technology is used.



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When it comes to disasters such as hurricanes, it is very important you have a means of communication in addition to your normal survival gear like first aid kits and emergency water and food supply. Radios are very effective in coordinating people and establishing logistics both during the calamity itself and the rescue operations that follows. Owning a portable amateur radio station or using Walkie Talkie Hire and long term radio (easytechsrl.net) rental may just be the key for surviving a disaster.

Advantages of Using Radios during disasters
Amateur radios or ham radios can endure a lot of disasters that other means of communications can’t simply withstand. For example, cell phones might be more convenient during normal days but they are rendered useless when severe weather knocks telephone towers downs. Wireless radios can still communicate with people regardless of whether the towers survived or not. Power loss may also greatly affect other means of communications but these radio stations can run on smaller and improvised sources of electricity such as car batteries.

Radios and Surviving Power Outages
These radios’ abilities to survive power outage were put to the test during the 2003 North American Blackout. The blackout affected around 55 million people from Canada and the United States and has caused widespread alarm and damage. Landlines and other means of communications, which were resticted by the lack of reliable power sources, were quickly swamped by calls. Fortunately, amateur radio stations were able to quickly get back on air with backup generators and some batteries. They were essential in coordinating relief and power restoration operations to areas in need. The radios were also able to report cases of fire outbreaks caused by mishandling of candles.

Radios and Surviving Hurricanes
The radio’s capabilities to survive hurricanes where also proven when Hurricane Katrina hit the United States in 2005. Violent winds, storm surges and widespread flooding have rendered much of the infrastructures in the affected areas inoperable. Amateur radio stations were still able to receive and send 911 messages and other communications. Some operators were even able to help victims as well.

Types of Amateur Radios
There are many types of radios to choose from depending on the coverage that you need and the funds that you are willing to invest. Small walkie talkies are the cheapest and most convenient radios to use. However it has an ideal range of around 35 miles which may not be enough especially if the calamity is widespread. It also has a limited battery life which is very disadvantageous in disasters. CB radios are bulkier than walkie talkies but can be used for long distance communications in ideal situations. They’re also relatively cheap compared to more advance systems. Finally there’s the amateur or ham radio which offers the widest options for communications. There are a lot of radio operator organizations that can help you to quickly learn about using this radio. Unfortunately this is also the most expensive radios although some home improvisations may cut costs. You would also need to earn a license to be able to operate them legally.

Motorola wins Apple wireless patent fight in Germany


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walkie talkie usb chargerA German court has ruled in Motorola Mobility’s favour in a patents dispute with Apple.

The Android smartphone maker had complained that Apple failed to license one of its wireless intellectual properties.
Apple uses the technology in its iPhones and 3G iPads.
Motorola could now try to force Apple to remove the feature from its devices or halt sales in Germany. However, Apple said it intended to appeal.
Motorola said the ruling validated its “efforts to enforce its patents against Apple’s infringement”.

Apple responded: “We’re going to appeal the court’s ruling right away. Holiday shoppers in Germany should have no problem finding the iPad or iPhone they want.”
If Motorola does decide to pursue an injunction blocking sales of Apple’s products the case could result in a clash between the iPad maker and Google – Motorola’s shareholders have approved the search giant’s takeover of their company and the deal is due to be completed in 2012.

Fighting times The case relates to Motorola’s patent for a “method for performing a countdown function during a mobile-originated transfer for a packet two Way Radio system”.
Motorola licenses this patent to others on Frand (fair, reasonable and non-discriminatory) terms.
The owner of a Frand-type patent is obligated to license out its technology to third-parties because the invention has been declared to be essential to an industry standard.
Apple had offered to pay a Frand-set fee in the future and was willing to pay a similar rate for past infringements. But it lost the case because it tried to retain the right to contest the validity of the patent with a view to past damages.

It tried to do this because Motorola had defended its right to charge an above-Frand rate for Apple’s use of its technology over the past four years. This could have been many times higher than the rate Apple was willing to pay and potentially very expensive.
Motorola will have to post a 100m euro (85m; $133m) bond if it wishes to enforce a sales injunction against Apple. The cash would cover compensation to Apple if the ruling was later overturned.

Motorola welcomed the ruling.
“We will continue to take all necessary steps to protect our intellectual property, as the company’s patent portfolio and licensing agreements with companies both in the US and around the world are critical to our business,” said Scott Offer, senior vice-president and general counsel of Motorola Mobility.

“We have been negotiating with Apple and offering them reasonable licensing terms and conditions since 2007, and will continue our efforts to resolve our global patent dispute as soon as practicable.”

Appeal details Patent watchers say it could be years before the case is resolved.
“This is really a given between such large players in high stakes disputes,” said Florian Mueller, a patent consultant who revealed the court’s verdict on his blog.
“In Germany you get a first ruling by a regional court rather quickly – this litigation started in April this year. Usually between companies of this stature the disputes go to the higher regional court and that could take a couple of years,” Mr Mueller told the BBC.

Mr Mueller advises Microsoft and others and has campaigned for patent reform in Europe.
He said Apple could try to revise its products, but noted that Frand-type patents were, by their nature, hard to work around. He added that doing so could run the risk of causing communication problems with the mobile networks’ equipment.
Samsung tablet ban Although Apple is on the receiving end of this lawsuit it has also been very active in the courts suing HTC, Samsung and Motorola among others for claimed patent infringements.

It temporarily managed to have Samsung’s tablets banned from sale in Australia, although the restriction was overturned earlier today.
The US International Trade Commission is expected to rule on its dispute with Taiwanese smartphone maker HTC on 14 December. The judgement could lead to shipments of HTC’s products being blocked in the US.
Although the targets of Apple’s lawsuits are often firms which use Google’s Android software, the two firms have avoided suing each other. That is set to change when Google’s takeover of Motorola Mobility is completed early next year.

“Google with its pending acquisition will be watching this case with great interest as any victory is an endorsement of Motorola’s patent portfolio that it is seeking to acquire,” said Ben Wood, director of research at the telecoms consultancy CCS Insight.

Walking the Talkie


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As sophisticated smartphones continue to proliferate, it’s easy to see why some people would think of walkie-talkies as outdated technologies. That’s especially true when you consider that many smartphone apps now simulate walkie-talkie PTT capabilities.

But even with said apps, cell phones are nothing like walkie-talkies. Cell phones will always be dependent on cellular towers, and even with those apps, they don’t provide the instantaneous communication of a walkie-talkie. For outdoors lovers or anyone else who strays out of range of cell phone networks, there’s no substitute for these handheld radios.

What’s more, two Way Radio manufacturers are constantly improving their products and even tying them to the popularity of smartphones. Cobra Electronics, for instance, makes a Bluetooth-enabled handset that works through your cell phone to make and receive calls. So while you’re plummeting through rapids, your phone can remain stowed safely away while you call out on your walkie-talkie.

Cobra also equips some models with a rewind button. So if you miss part of a transmission, you can push the button to hear up to 20 seconds of audio, which means you won’t have to ask the sender to repeat the message.

Power and sensitivity continue to increase, and prices continue to go down. And if you’re willing to spend more? You’ll get bigger handsets with a lot more manual controls, and — just as important — larger batteries that last longer between charges.

More and more walkie-talkies also come with ruggedized components so that they’ll withstand the abuse of the outdoors. Many are water-resistant and some even float. And many models now come with voice activation (VOX) so that you don’t even have to press a button to begin speaking.

All of these advances speak to the continuing relevance and usefulness of walkie-talkies. For a decades-old radio technology, that’s serious longevity, especially in the face of so many new communications devices. For now, walkie-talkies and their radio-based brethren are here to stay. Over … and out.

Walkie Talkies for Event Management


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Conferences, Exhibitions, Sports, Arts and Culture, Rallies, Shows, Music Festivals and much more are now part of our everyday lives, often held at venues that were never designed for the purpose, from public roads to large open spaces. Indoor events too have grown with many exhibitions taking place in multi-hall, purpose built centres the size of a small town.

From the management of contractors and deliveries at the build-up, to security, safety and co-ordination during the event, through to the break-down, out and clean up – organisers and their teams are well aware that they should expect the unexpected in whatever form it takes.

Which is why the use of Walkie Talkies in event management is so widespread and for good reason; whatever happens in and around an event, someone needs to know – and two-way radios provide the instant, reliable communications tool that underpins every successful event.

Kenwood has been involved in supplying its proven two-way radio equipment for use at major events for many years, from the ever present licensed analogue radios and license free PMR446 walkie-talkies to the complete trunked communications centres at large events and festivals which allow Contractors, Crowd Management, Safety and Medical teams, Stewards, Artist Management, VIP Concierge Services, Caterers, Site and Stage Management, Transport, Sanitation, Waste Management and of course Security staff to communicate within their own groups and cross-communicate with extended event management teams as required.

Now, with the extended coverage and security offered by Kenwood NEXEDGE Digital Two Way radios, their unique analogue/digital Mixed Mode (which allows them to communicate automatically with any existing analogue radios whatever the make) and turn-key digital trunked system and network capability, companies supplying or operating two-way radios at events have a straightforward and economical path to migrate to the benefits of digital at an affordable cost.