Monthly Archives: May 2014

The Current Scenario of the Uses of Trunking System and Two Way Radio

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An improvisation of this can be noticed in the use of trunked radio.

A motorola DP3400 radio method is used by a large group of individuals instead of using a personal set. Whenever a group member wants to chat with another person from the group, an unused channel is located and used to converse with the others. The main unit controls and helps the working of the other radios in the system.

The chief aim of the system is the proficiency of service a classic example of this is the Tetra Radio.

Terrestrial Trunked radio popularly known as Tetra Radio is a specialized 2 way radio with a walkie talkie gradation. Tetra was mainly created for the exclusive use of the ‘government ‘organizations, armed force and the railways and al the SOS teams. The radio works on TDMA using 4 radio routes.

Tetra is designed to justify the European standards.

DMR Radio or the Digital Mobile Radio is an improved version of the professional mobile radio (PMR). DMR offers audio, video coding and other added services. The main purpose of the DMR is to be cost effective, to be able to connect with all types of types of radios.

The specifications are mainly to help the buyers with a range of radio solutions. This model is useful at construction sites where the other forms of mobile communications fail to offer the expected services.

The 2 Way Radio is a radio that can offer both functions of sending or getting alerts. The 2 way radio is also called a walkie talkie. The instrument can be used within a coverage area of 2-5 miles. Mobile phones are apt instances that fit the definition of a two way radio because it uses two wave lengths to send and get the talk exchange.

Metro Communications offer the best services in supply of the communication service to the residential, commercial complexes and industrial houses. They have all the PMR/DMR models, because the company believes in satisfying every customer. The success of the company lies in their efficient and fast work to satisfy a customer.


WLAN Security

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How about to safeguard WLAN? Today wireless systems and two Way Radios are in least secure as wired. You just use right tools and designs.

Physical security is key to security. If you don’t have physical use of network, you can’t utilize it. If you can’t plug cable you don’t have network. This really is situation in wired word.

The greatest security problem, in almost any type wireless network, is insufficient physical security.

802.11 standards use Authentication as alternative for physical security. Issue is that application uses WEP as file encryption.

WEP – Wired Equivalent Privacy hasn’t deserved its title. It doesn’t take a lot more than 2 minutes, with cracking tools, to interrupt WEP.

First WEP versions used 64-bit shared key. 40 bits are for any shared secret and 24 bits are for IV (initialization vector). IV can be used that receiver could decrypt the frame.

Next improvement of first WEP key was 128-bit shared WEP key. With this WEP version 104 bits are utilized for shared key and 24 for initialization vector.

IEEE suggested in 2004 latest version of WEP – WEP2. It uses exactly the same RC4 formula with 128-bit initialization vector. WEP2 hasn’t enhanced considerably security. It only increases time for cracking.

Next thing in wireless security is WPA – Wi-Fi Protected Access.

What is WPA file encryption? Wi-Fi Alliance released in October 2003 Wi-Fi Protected Access – WPA, generation x in WLAN security. Wi-Fi Protected Access doesn’t need a hardware upgrade in 802.11 equipment.

Only software and firmware upgrade is required also it makes minimal degradation in network performance.

WPA was created being an answer for those WEP weak points. It uses Temporal Key Integrity Protocol (TKIP) with Message Integrity Check (MIC). Additionally, it has mutual pre-shared key (PSK) authentication plan using 802.11X/EAP.

WI-Fi Alliance released WPA2 in September 2004. It’s licensed interoperable version of WPA. WPA2 besides PSK 802.1X/EAP authentication, use advanced file encryption mechanism.

This new mechanism is Counter-Mode/CBC-MAC Protocol (CCMP) known as Advanced File encryption Standard (AEP).

WPA and WPA2 have 2 certification modes.



You’ve 4 different versions of Wi-Fi Licensed products:

1) WPA-Personal2) WPA2-Personal3) WPA-Enterprise4) WPA2-Enterprise

Personal Mode is made for office and home (SOHO) atmosphere. You don’t need authentication server (Radius or IAS).

It uses by hand joined PSK (pre-shared key or pass-phrase). Security degree of your wireless network is dependant on this PSK.

So, use mixture of letters, amounts and non-alphanumerical figures.Personal mode uses techniques of file encryption as Enterprise-per-user, per-session, per-packet file encryption with TKIP (WEP) or AES (WEP2).

Enterprise Mode works in handled mode with authentication servers (Radius or IAS). With this particular mode you are able to meet rigorous needs of enterprise security.

The majority of access points and wireless hubs have option of MAC blocking. With MAC blocking, you are able to restrict use of stations you have joined in MAC blocking list.

The primary key to wireless security would be to put as numerous obstacles while you could. Should you concurrently use WEP, WPA, MAC blocking, and when you utilize IPsec tunnel and SSH your wireless network is safe like it’s wire

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Isle of Man to get two new 2 way radio transmitters

Without giving too much about this walkie talkie lingo military short article, but I found it interesting and relevant to what I’m currently doing.

2 way radio range extenderTwo new digital radio transmitters are to be sited in the Isle of Man, the BBC has announced.

It is part of a move to bring the Digital Audio Broadcasting (DAB) service to 2.5 million people in the British Isles before the end of 2015.

A BBC spokesman said the transmitters will be co-sited with the existing television transmitters at Port St Mary and Ramsey.

The Isle of Man currently has one transmitter in Douglas.

The service will carry the BBC’s nationwide services; motorola DP4400 2 way radios 1 to 5 live, 1Xtra, 4 Extra, 5 live sports extra, 6 Music, Asian Network and World Service.

satellite radio

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walkie talkie dictionaryFirst, one of the biggest advantages of satellite radio has to be that it is available all over the nation. That’s right, whether you live in New York or California you can get access to satellite radio services. With easy subscription, users can access terrific music anytime and anywhere they want.

Next, in terms of the advantages of satellite Walkie Talkie, a great advantage can be found in the fact that if a subscriber likes to travel, they can still get great satellite radio service. For instance, if a satellite radio subscriber lives in New York and they travel to Arizona, they can still listen to their favorite satellite radio stations because subscribers are not hindered by geographic location. Due to the fact that the radio signals are sent via satellite, subscribers will find that they are never far away from their favorite stations!

Third in line when considering the advantages of satellite radio is the fact that satellite radio signals provide subscribers with crystal clear audio clarity. No longer does a music lover have to worry about traveling out of range when a great song comes on over the car radio. In fact, no matter where the location, satellite radio provides perfect quality of sound every time a music lover listens.

Another of the advantages of satellite radio is the fact that many of the stations offered focus n specific musical genres. For example, if a satellite radio subscriber loves heavy metal, they can listen to a satellite radio station that focuses solely on heavy metal music. This saves music lovers from having to scan through station after station to find the music genre they adore. In fact, genre focused satellite radio stations allow users to hear their favorite music whenever they want.

Yet another of the advantages of satellite radio is the fact that the music is uninterrupted. There are no commercials with satellite radio and satellite radio subscribers particularly enjoy this benefit. Let’s face it; no one wants to listen to commercial after commercial just to hear a smattering of songs in between-in fact, the fewer commercials the better. Thus, satellite radio gives music lovers exactly what they want-nonstop music all day every day.

Finally, the affordability of satellite radio just can’t be surpassed. In fact, satellite radio can be purchased at just a little over ten dollars a month. For that price satellite radio subscribers can get over 100 channels of fantastic music. Thus, the advantages of satellite radio, especially in terms of its affordability, are truly phenomenal indeed!

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Motorola to launch Moto X in Europe

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SAN FRANCISCO: Motorola has announced that its flagship Moto X smartphone is heading for Europe. Moto X will arrive in France, Britain and Germany with the start of February, according to the Google-owned firm.

“At Motorola our roots are deep in mobile hardware — we invented mobile communications,” Motorola Mobility UK general manager Andrew Morley said in a statement.

“Now, as a Google company, we’ve become the kind of company that can build a 4G smartphone like Moto X,” he continued. “It fuses our history of mobile innovation with the best of Google mobile services.”

Prices in Britain will range from 25 pounds ($41) per month on contract to 380 pounds total without a SIM card, according to Motorola.

The price will be 429 euros ($586) in France. Moto X launched in the United States last year. A low-cost version of the smartphone, the Moto G, is already sold internationally.

Both Motorola smartphones are powered by Google’s Android software. Motorola is pushing all the buttons to regain prominence in the smartphone market, including aggressive pricing, according to chief executive Dennis Woodside.

Woodside, in an interview with AFP last week on the sidelines of the Consumer Electronics Show in Las Vegas, said the Google-owned unit is seeking to gain ground against rivals including Apple and Google.

Since being acquired by Google, Motorola has introduced the flagship Moto X handset in the United States and the Moto G, a less expensive phone geared to cost-conscious consumers worldwide.

“There will be different phones at different price points but we’re going to be very aggressive there,” Woodside said.

“When we priced Moto X at $399 in the US as a promotion, we sold tens of thousands of units in a matter of eight minutes.”

The Moto X was originally introduced at $599 unlocked, without a contract, while the Moto G was priced at $179 in the US.

Motorola, once among the leaders in the mobile phone market, has been struggling in recent years as makers like Apple and Samsung grab most of the market share and profits.

“This is a business where scale matters and what’s been really important for us to start putting products out there that we’re excited about and get consumers excited about. That’s what we’ve done with Moto X and Moto G,” he added.

Woodside declined to provide specific sales figures but maintained that since launching the Moto X and Moto G, “we are seeing our best days ever for smartphones.” Post a commentALSO ON TOI
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Motorola has announced that its flagship Moto X smartphone is heading for Europe.

The various walkie talkies radios

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It is a radio conversation device that makes it possible for stability and privacy to the events having component in speaking with each and every other particularly in which there is no indicates of obtain to simple interaction.nThe walkie talkies radios can be utilised above lengthy distances in emergencies and in industries. The public transportation market utilizes walkie talkies radios for communicating amid buses, trams and trains. The two-way radios allow cars to very easily and immediately talk with the hub with no dialing or requesting permission.nnMany walkie talkies radios can be linked to a one frequency. This allows mass interaction among many men and women without having limits. There are several kinds of walkie talkies radios which are available these days. The analog and electronic models have been utilized as toys and quick selection interaction.nAnalog units typically utilize a handheld transportable unit with a built in radio and receiver. This unit can be attached to a belt or stored in a pocket when not in use. Many building sites and regulation enforcement departments use this kind of walkie talkies product. Particular walkie talkies radios have been placed within water proof and anti-corrosive casings for underwater use.nnWith improvements in electronics walkie talkies radios have been adapted to make use of VHF and HF models for improved assortment and quality. These walkie talkies designs are exceptionally tiny and can be stored in almost any compartment. Advancements to stability have also been made possible with modern improvements in technologies.nThe analog and electronic models come with embedded safety which prevents any unidentified models from eavesdropping into a dialogue. The difference in between commercial and buyer walkie talkie designs may differ with functions and quality. The standard range of a buyer walkie talkie is significantly decrease than more expert models.nnThe dimension of walkie talkies radios will vary on these two variables as well. The walkie talkies radios utilize powerful batteries and antenna receivers. The antenna of the walkie talkies radios wants to be of appreciable dimensions to choose up proper frequencies.nCommercial walkie talkie models come with protected casings created from steel and aluminum. These versions are drinking water resistant and shock evidence. nnThe walkie talkies radios are best for extended assortment constant interaction. It is capable of relaying information evidently and securely. The walkie talkies radios is excellent for out of doors and excessive terrain usage.

Agreement between Terabeam and Proxim Wireless Lan Seamless transition eliminates disruption to.

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Terabeam Wireless Signs Agreement to buy all the assets of Proxim Corporation Guarantees Ongoing Delivery of Wi-Fi and Broadband Wireless Access Solutions Terabeam and Proxim joined in to the Kenwood TK3301 purchase agreement after Proxim declared Terabeam our prime bidder within the court-approved auction held regarding the Proxim’s Chapter 11 Personal bankruptcy Filing.

The agreement between Terabeam and Proxim is anticipated to supersede Proxim’s earlier plans to market substantially all its assets to Moseley Affiliates. The transaction is susceptible to final approval through the US Personal bankruptcy Court for District of Delaware and it is likely to close on or before This summer 29, 2005. As rapidly as practical after closing, Terabeam will move its headquarters to Proxim’s San Jose facility and can assume responsibility for Proxim’s ongoing sales also for support from the Proxim products with the combined company’s worldwide distribution funnel. The combined company may have significant presence in wireless LAN for 2 Way Radios point-to-multipoint and point-to-point wireless marketplaces and can continue its product development pipeline to deal with possibilities within the WiMAX and wireless mesh marketplaces.

The parties anticipate ongoing they are driving the Proxim brands and therefore are dedicated to a seamless transition that eliminates disruption to Proxim’s clients, funnel partners, employees and providers. “This is a superb chance for Terabeam too for our particular clients and employees” states Robert Fitzgerald, ceo of Terabeam. “We’ll have the ability to offer best-of-breed wireless solutions in just about any arena, from Wi-Fi through wireless Giga-bit Ethernet. We will always be very astounded by Proxim’s distribution system, and that we anticipate growing on their own strong funnel close ties. We anticipate getting together two energetic organizations and think that we are able to accelerate product and our position on the market while keeping the financial discipline to attain lucrative procedures.” “We percieve this transaction as an chance to team having a company by having an aggressive and focused growth strategy,” stated Kevin Duffy, leader and leader officer of Proxim. “With this particular agreement, we mix our talent and technology to achieve time-to-market advantage, exceed the anticipation and needs in our combined clients, and grow the general adoption of wireless networking.” Underneath the the resource purchase agreement, Terabeam will acquire and assume the majority of the domestic and foreign procedures of Proxim for any cost of roughly $28,000,000, susceptible to certain changes and breaks.

Additionally, upon Court approval, Terabeam is obligated to supply debtor-in-possession financing, that will ultimately be subtracted on the cost. As formerly revealed in Proxim’s public filings using the Investments and Exchange Commission, consequently of Proxim’s outstanding obligations to the creditors, no arises from the purchase of Proxim’s assets is going to be given to Proxim stockholders. About Terabeam Wireless Terabeam Wireless may be the business title of YDI Wireless, Corporation. Terabeam Wireless is really a world leader in supplying extended range, license-free wireless data equipment and it is a number one designer of turnkey lengthy distance wireless systems varying from 9600 bps to at least one.42 Gbps for programs for example wi-fi, wireless video, wireless LANs, wireless WANs, wireless Guys, and wireless virtual private systems. Proxim Corporation designs and sells wireless networking equipment for Wi-Fi and broadband wireless systems.

The organization is supplying its enterprise and repair provider clients with wireless solutions for that mobile enterprise, security and surveillance, last mile access, voice and knowledge backhaul, public locations, and metropolitan area systems. This press release and much more details about Proxim are available on the internet at http://world wide . Safe Harbor Claims within this pr release that aren’t claims of historic details, including claims concerning the considered purchase of Proxim’s assets and associations by Terabeam Wireless and also the publish-acquisition company’s business outlook or expected performance, items, or developments, are forward-searching claims which involve risks, questions, and presumptions. There might be no assurance the acquisition referred to in this pr release or other proper transaction between Terabeam and Proxim is going to be consummated.

Terabeam’s, Proxim’s, and also the publish-acquisition company’s actual results may vary materially in the results anticipated during these forward-searching claims. The forward-searching claims involve risks and questions that may lead to such variations including individuals relevant towards the companies’ ability and require to fulfill the circumstances to closing the transaction established within the definitive transaction documentation (including, without limitation, the necessity to have the approval from the personal bankruptcy court) the substantial some time and costs each company is going to be spending and taking on relevant to some considered transaction the capability to obtain any necessary regulating home loan approvals and clearances required to consummate a transaction developments in and results of the personal bankruptcy process, such as the possible negative effects around the companies’ business which Proxim might seek Chapter Seven personal bankruptcy protection when an alternate isn’t available Proxim’s requirement for financing throughout and thru the personal bankruptcy process and also the risk the financing provided regarding the the considered transaction is going to be inadequate ale the businesses to integrate inside a cost-effective, timely manner without material liabilities or lack of preferred employees, clients, or providers the risk the expected synergies along with other together with your transaction won’t be recognized whatsoever in order to the extent expected the danger that financial savings in the transaction might not be fully recognized.

Or they might take longer to understand than expected responses, either negative or positive, of traders, rivals, clients, providers, employees, yet others towards the transaction time and charges needed to accomplish the considered transaction for 2 way radio after which integrate the businesses management and board curiosity about and distraction because of the considered transaction and integrating the businesses the uncertain effect on the buying and selling market, volume, and cost of Terabeam’s stock, specifically in light of the quantity of Terabeam’s cash to become compensated within the transaction the recession and continuing uncertainty within the telecommunications industry and bigger economy the brilliant competition within the companies’ industries and resulting impacts on their own prices, gross margins, and general financial performance difficulties or delays in developing and delivering new items using the considered or preferred features, performance, cost, cost, along with other qualities the impacts and results of every other proper transactions Terabeam may evaluate or consummate and difficulties in predicting the publish-acquisition company’s future financial performance. More information on these and additional factors that may modify the actual outcomes of Terabeam, Proxim, or even the publish-acquisition clients are and will also be incorporated in filings made by Terabeam and Proxim every once in awhile using the Investments and Exchange Commission as well as in the companies’ other public claims.

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