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Topic: Professional Mobile Radio


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In the News (Tue 29 Dec 09)

  
  radio NIROS radio
PMR radio We develop and manufacture highly advanced mobile and portable radio communication equipment for both voice and data transmission, for professional users worldwide.
Professional mobile radio We develop and manufacture highly advanced mobile and portable radio radio communication equipment for both voice and data transmission, for professional users worldwide.
Radio UHF We develop and manufacture highly advanced mobile and portable radio communication equipment for both voice and data transmission, for professional users worldwide.
www.niros.com /radio   (1363 words)

  
 Private Mobile Radio (PMR) Jargon
PMR is the oldest form of mobile communications – it has been in use for over 70 years.
PMR is particularly well suited to operations requiring the passing of frequent short voice or data messages from a central point to individuals or groups of personnel.
The receiving radio is tuned to the same radio frequency as the transmitter, but will only "unmute" its speaker, allowing the message to be heard, if it can detect that the appropriate tone is present.
www.mobilemarinesystems.com /html/private-mobile-radio.html   (2099 words)

  
  ipedia.com: Mobile phone Article   (Site not responding. Last check: )
Mobile phones allow connections to be made to the telephone network, normally by directly dialling the other party's number on an inbuilt keypad.
Most current mobile phones use a combination of radio wave transmission and conventional telephone circuit switching, though packet switching is already in use for some parts of the mobile phone network, especially for services such as push to talk.
Mobile phones began to proliferate through the 1980s with the introduction of "cellular" phones based on cellular networks with multiple base stations located relatively close to each other, and protocols for the automated "hand-off" between two cells when a phone moved from one cell to the other.
www.ipedia.com /mobile_phone.html   (4286 words)

  
  Professional Mobile Radio - Wikipedia, the free encyclopedia
A trunked version of the Private Mobile Radio (PMR) concept that is defined under the standard MPT 1327 (MPT1327) is widely used and provides significant advantages over the simpler single station systems that are in use.
One of the problems encountered by mobile signalling systems is that of clashes when two or more mobile radio units try to transmit at the same time on the control channel.
The mobile radio unit will randomly select a slot in which to transmit its request but if a message is already in progress then it will send its access message in the next available slot.
en.wikipedia.org /wiki/Professional_Mobile_Radio   (2402 words)

  
 Mobile phone - Wikipedia, the free encyclopedia
Mobile phones are also distinct from cordless telephones, which generally operate only within a limited range of a specific base station.
Mobile phone use on aircraft is also prohibited, because of concerns of possible interference with aircraft radio communications [4].
Professional mobile radio systems are very similar to cell phone systems and attempts have even been made to use TETRA, the international digital PMR standard, to implement public mobile networks, but normally PMR systems are sufficiently separate from the phone network to not really be considered phones but rather radios.
en.wikipedia.org /wiki/Mobile   (3442 words)

  
 Siemens AG - PMR - Professional Mobile Radio
Commercial mobile radio networks such as GSM and UMTS are conquering the world.
With these public mobile networks the main concern is to maximize the number of subscribers and provide profitable services.
Professional organizations have very concrete requirements for a mobile radio network; requirements that public networks can rarely meet.
www.siemens.com /index.jsp?sdc_p=c175fi1418953lmn1418944o1418944pst4u1280z2&sdc_sid=31095625962&   (259 words)

  
 Kerala Mobile phones history
Mobile rigs were predecessors of mobile phones, along with taxicab radios, two way radios in police cruisers and the like.
Originally, mobile phones were permanently installed in vehicles, but later versions such as the so-called "bag phones" were equipped with a cigarette lighter plug so that they could also be carried, and thus could be used as either mobile or as portable phones.
A '''mobile phone''' or '''cell phone''' is an electronic telecommunication device with the same basic capability as a conventional landline telephone, but which is also entirely portable and is not required to be connected with a wire to the (Public Switched Telephone Network).
www.keral.com /mobile/mobile_history.htm   (510 words)

  
 Mobile phone - Facts, Information, and Encyclopedia Reference article
A mobile phone, also known as a cellphone, mobile, or handphone, is an electronic telecommunications device with the same basic capability as a conventional fixed line telephone, but which is also entirely portable and is not required to be connected with a wire to the telephone network.
The mobile phone communicates via a network of base stations which are in turn linked to the conventional telephone network.
Professional mobile radio systems are very similar to cellphone systems and attempts have even been made to use TETRA, the international digital PMR standard, to implement public mobile networks, but normally PMR systems are sufficiently separate from the phone network to not really be considered phones but rather radios.
www.startsurfing.com /encyclopedia/m/o/b/Mobile_phone.html   (3145 words)

  
 Mobile phone - Free net encyclopedia   (Site not responding. Last check: )
Most current mobile phones connect to the network using a wireless radio wave transmission technology (the exception are satellite phones).
These mobile phones communicate via a cellular network of base stations (cell sites), which is in turn linked to the conventional telephone network and were first introduced in the early to mid 1980s (the 1G generation).
Mobile phone use on aircraft is also prohibited, but because of concerns of possible interference with aircraft radio communications [2].
www.netipedia.com /index.php/Mobile_phone   (3095 words)

  
 Mobile Phone Encyclopedia Article @ LaunchBase.org (Launch Base)   (Site not responding. Last check: )
In 2006, it was reported [6] that mobile phone users suffer much more serious lesions than non-users, in case of being struck by lightning during an electrical storm.
Early mobile phones were limited in their security features.
A mobile phone which communicates with a satellite rather than a land-based network.
www.launchbase.org /encyclopedia/Mobile_phone   (3604 words)

  
 Mobile Data Communications in Germany: an Overview
Radio paging services like Eurosignal, Cityruf, Euromessage (as part of Cityruf) and ERMES are in use, which transmit narrow-band data signals in order to alert small mobile receive-only terminals.
Mobile radio networks to connect X.25 data terminals to its host are, e.g.
Radio waves are used instead of a cable as a transmission medium to connect stations.
www.wireless.per.nl /reference/chaptr01/mob_dat1.htm   (3755 words)

  
 Mobile phone at AllExperts
Radio phones have a long and varied history that stretches back to the 1950s, with hand-held cellular radio devices being available since 1983.
Mobile phone use on aircraft is also prohibited, because of concerns of possible interference with aircraft radio communications [2].
Professional Mobile Radio : Professional mobile radio systems are very similar to cell phone systems and attempts have even been made to use TETRA, the international digital PMR standard, to implement public mobile networks, but normally PMR systems are sufficiently separate from the phone network to not really be considered phones but rather radios.
en.allexperts.com /e/m/mo/mobile_phone.htm   (3482 words)

  
 MobileSidewalk
Mobile phones allow connections to be made to the telephone network, normally by directly dialing the other party's number on an inbuilt keypad.
In many affluent countries, mobile phones now outnumber land-line telephones, with most adults and many children now owning mobile phones and is not uncommon for young adults to own simply a cell phone instead of a land-line for their residence, even in the U.S. where mobile phone use is less prevalent than other industrialized countries.
Professional mobile radio systems are very similar to mobile phone systems and attempts have even been made to use TETRA, the international digital PMR standard, to implement public mobile networks, but normally PMR systems are sufficiently separate from the phone network to not really be considered phones but rather radios.
www.mobilesidewalk.com /Content/MobilePhone.aspx   (2814 words)

  
 Radio-Electronics.Com :: PMR Trunking using MPT1327
A trunked version of the Private Mobile Radio (PMR) concept that is defined under the standard MPT 1327 (MPT1327) is widely used and provides significant advantages over the simpler single station systems that are in use.
One of the problems encountered by mobile signalling systems is that of clashes when two or more mobile radio units try to transmit at the same time on the control channel.
The mobile radio unit will randomly select a slot in which to transmit its request but if a message is already in progress then it will send its access message in the next available slot.
www.radio-electronics.com /info/cellulartelecomms/pmr/trunking/trunkingsummary.php   (1200 words)

  
 Mobile/Cellular Technology - Professional Mobile Radio Image Gallery
The radio system is used to co-ordinate the troops.
The Dutch police need the radio system to co-ordinate their fleets of vehicles.
The global market for digital mobile radio infrastructure will grow rapidly between 1998 and 2002.
www.mobilecomms-technology.com /projects/professionalmobileradio_gallery.html   (618 words)

  
 EADS acquires Nokia's Professional Mobile Radio business - Mobile Africa
The acquisition of Nokia's Professional Mobile Radio (PMR) activities by EADS is now finalized.
About Nokia: Nokia is a world leader in mobile communications, driving the growth and sustainability of the broader mobility industry.
The Menace Of Mobile Telecom Scams In Nigeria
www.mobileafrica.net /n650.htm   (727 words)

  
 OFCOM Federal Office of Communications - Professional mobile radio user   (Site not responding. Last check: )
Companies which wish to equip their employees, their vehicles and their working installations with radio equipment require a professional mobile radio licence.
The professional mobile radio licence authorises the licensee to set up a radio installation for the professional uses described in the licence.
The monthly costs of an ordinary radio licence are approximately CHF 12.00 per radiotelephony unit.
www.bakom.ch /themen/geraete/01221/01243/index.html?lang=en   (278 words)

  
 Bleeper Services   (Site not responding. Last check: )
For simple, low cost, license free on-site communication from mobile radio to mobile radio, PMR 446 is ideal and provides coverage of up to one mile (dependant upon terrain).
For large sites requiring communications, professional radios can be interconnected with your existing PABX for various configurations and applications.
We provide a range of PMR 446 or Professional Mobile Radios from the leading suppliers, including; Motorola, Icom, Kenwood and Simoco.
www.bleeper.clara.net /ProfessionalMobileRadio.htm   (369 words)

  
 TETRA in Southern Africa
The mobile radio industry, from manufacturer to dealer, to user, has entered a significant period of change.
Professional Mobile Radio needs to follow this example as it moves into the digital era and a host of new features and facilities become available.
SATA and its sister organisation, the Land Mobile Radio Association, do not compete, although there are inevitably some areas of overlap in the respective aims and objectives.
www.cellular.co.za /tetra_southern_africa.htm   (1228 words)

  
 Private Mobile Radio (PMR), Nova Stars Communication Solutions, Saudi Arabia
Private or Professional Mobile Radio (PMR), or Public Access Mobile Radio (PAMR) is used in many countries around the world, and new technology is being developed to ensure it keeps up with today's needs.
An overview of private mobile radio (PMR) - the various standards that are available to use.
Analogue PMR systems are still in widespread use and are able to provide a useful service.
www.novastars.com /pmr/private-mobile-radio.htm   (248 words)

  
 What is TETRA? - a definition from Whatis.com - see also: Terrestrial Trunked Radio
This infrastructure is targeted primarily at the mobile radio needs of public safety groups (such as police and fire departments), utility companies, and other enterprises that provide voice and data communications services.
Based on digital, trunked radio technology, TETRA is believed to be the next-generation architecture and standard for current, analog PMR and PAMR markets.
TechTarget provides enterprise IT professionals with the information they need to perform their jobs - from developing strategy, to making cost-effective IT purchase decisions and managing their organizations' IT projects - with its network of technology-specific Web sites, events and magazines.
searchmobilecomputing.techtarget.com /sDefinition/0,,sid40_gci214574,00.html   (723 words)

  
 Digital Media Asia: News - Commission approves Nokia professional mobile radio business sale   (Site not responding. Last check: )
PMR networks are closed, secured wireless radio communication systems used primarily by police and security forces as well as other public services.
There are also commercial PMR users such as taxi and truck fleet operators, airports and sporting venues.
The acquisition of Nokia’s Tetra-based PMR business is seen as important for EADS’ PMR business as it will enable it to compete more effectively in the PMR market with a Tetra product which has the advantage of being based upon an open standard.
www.digitalmediaasia.com /?ArticleID=9390   (534 words)

  
 Ericsson Communications System Zooms Into Private-Mobile-Radio Turf - Technology News by TechWeb
Ericsson Radio Systems will introduce a radio communications system at CeBit in Hannover, Germany, that will give professional mobile radio users, such as utility and transport companies, an alternative to their current Private Mobile Radio or Public Access Mobile Radio systems.
Ericsson Radio, in Stockholm, Sweden, said its new system, GSM Pro, combines the specialized features of professional mobile radio with the economy and functionality of GSM, thereby eliminating the need to maintain separate radio systems and frequencies.
Professional mobile radio users are used to functions not traditionally associated with GSM.
www.techweb.com /news/story/TWB19980318S0013   (545 words)

  
 Motorola Government and Enterprise - GM360 Professional Series Mobile Radio
A versatile solution for organisations with a mobile workforce, the easy-to-use GM360 offers a comprehensive set of features that can be easily customised to reflect the communications needs of a growing vehicle-based team.
Provided that your radio has access to a phone system and you are utilising an enhanced keypad microphone, you can make phone calls from your radio.
This feature allows you to use your radio audio as a public address system simply by adding an external speaker and switch fitted and programmed by your dealer.
www.motorola.com /governmentandenterprise/id_713i/en-gb/public/functions/browseproduct/productdetailpage.aspx?navigationpath=id_803i/id_38i/id_1387i/id_187i/id_1162i/id_494i   (492 words)

  
 Nokia Implements Brazil's First TETRA System   (Site not responding. Last check: )
This will be the first TETRA system for professional mobile radio use in the Brazilian market.
Telcom serves professionals with critical communication needs, such as public service agencies, municipalities, traffic control, transportation services, public utilities, enterprises, oil and gas companies, and seaport authorities.
TETRA networks offer secure, digital mobile communication for professional organizations, such as oil and gas companies, utilities, the transportation and public safety and security sector (police, emergency, civil defense, security services, etc.).
www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/05-24-2004/0002180273&EDATE=   (567 words)

  
 Vehicle based TETRA mobile radio - mobileguru.co.uk
The radio can also be controlled from a PC using an advanced PEI application interface with an extended AT-command set, giving convenient control of applications.
For example, in a fire engine this allows the radio to be used both from the driver's cabin and from the rear of the truck.
TETRA (Terrestrial Trunked Radio) is the only open digital trunked radio standard defined by the European Telecommunications Standards Institute (ETSI) to meet the needs of the most demanding professional mobile radio users.
www.mobileguru.co.uk /Mobile_News_Info42.htm   (529 words)

  
 Nokia - Nokia to deliver Actionet Professional Mobile Radio system to Procedatos, Venezuela - Press Releases - Press - ...
Nokia is a leading supplier of MPT 1327 standard trunked mobile networks and has delivered its MPT 1327 based Actionet system to more than 130 customers in more than 40 countries.
MPT 1327 is the most widely used open trunked mobile radio standard in the world.
Nokia is the world's leading mobile phone supplier and a leading supplier of mobile and fixed telecom networks including related customer services.
press.nokia.com /PR/199905/777031_5.html   (319 words)

  
 Mobile radio to contend in Olympics
PMR provides communications services, such as surveillance and security applications, to government bodies, including security forces.
Early this month, EADS and Siemens were chosen as preferred bidders for a nationwide PMR public security network in Germany.
A PMR network built by JustTop for Beijing municipal government had more than 30,000 users by the end of last year, according to statistics provided by EADS.
www.chinadaily.com.cn /cndy/2006-03/24/content_550964.htm   (461 words)

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