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  • ...r of global operators that would require a dedicated link. This meant that mobile subscribers who wanted to use GPRS whilst roaming could only do so if their ...developed the idea of GRX to handle all roaming between [[PLMN|public land mobile networks]] (PLMNs).<ref>{{cite web|url=http://www.gsma.com/newsroom/wp-cont ...
    3 KB (403 words) - 23:51, 7 October 2023
  • ...ed]] transmission and data as well as voice transmission. Like other land mobile systems, NXDN systems use the [[very high frequency|VHF]] and [[ultrahigh f ...www.mccmag.com/News/NewsDetails/NewsID/15362 an international digital land mobile system]. ...
    14 KB (1,896 words) - 19:32, 5 February 2025
  • ...porting digital voice. The standard specifications related to AAL2 are ITU standards I.363.2 and I366.1. ...
    7 KB (1,180 words) - 21:19, 9 June 2023
  • ...orter and more compact, allowing it to be contained within the case of the mobile device, and it can be [[impedance matching|impedance matched]] to the feed ...ost widespread use is as a '''planar inverted-F antenna''' ('''PIFA''') in mobile wireless devices for its space saving properties. PIFAs can be printed usi ...
    14 KB (2,148 words) - 18:05, 31 August 2024
  • In [[electrical engineering]] and [[telecommunications]] the '''Chu–Harrington limit''' or '''Chu limit''' sets a lower limit on t | journal = Journal of the National Bureau of Standards ...
    9 KB (1,216 words) - 02:32, 16 May 2023
  • ...ncements driven by the increasing demand for high-speed data conversion in telecommunications and other fields. A notable project during this period was the development ...d]], where high-speed ADCs were essential for digital signal processing in mobile phones. Companies like [[Analog Devices]] and [[Texas Instruments]] began t ...
    22 KB (3,391 words) - 01:41, 6 September 2024
  • ...e=1997 |publisher=Erlbaum |isbn=978-0-8058-2557-2 |edition=Revised |series=Telecommunications |location=Mahwah, NJ |pages=50 |language=en}}</ref><ref>{{Cite web |last=Le ...S |number=2272070}}</ref> By this time Reeves had started working at the [[Telecommunications Research Establishment]].<ref name=Vardalas/> ...
    34 KB (4,917 words) - 15:50, 19 November 2024
  • ...l-status=dead }}</ref> Export regulations have been relaxed from pre-1996 standards, but are still complex.<ref name=cclsup/> Other countries, notably those pa ==Mobile phone signals== ...
    37 KB (5,170 words) - 07:12, 18 February 2025
  • ...ouse2013Exhibit3>{{cite news |title=Super Hi-Vision Production Devices for Mobile |publisher=NHK |url=http://www.nhk.or.jp/strl/open2013/tenji/tenji03/index_ ...commendation709-5>{{cite news |title=BT.709: Parameter values for the HDTV standards for production and international programme exchange |publisher=Internationa ...
    35 KB (4,877 words) - 08:12, 20 January 2025
  • ...Frequencies.jpg|thumb|This Z antenna tested at the [[National Institute of Standards and Technology]] is smaller than a standard antenna with comparable propert ...website=Description of research results |publisher=[[National Institute of Standards and Technology]] |date=January 26, 2010 |url=https://www.nist.gov/pml/elect ...
    76 KB (10,443 words) - 16:34, 29 January 2025
  • {{defn|A noise model that is used in telecommunications to model the effects of various random processes.}} {{defn|A company that makes mobile telephones and computers.}} ...
    148 KB (21,331 words) - 12:18, 11 November 2024
  • ...hat occurs when the real-world safety history is favorable, whether or not standards are met.<ref name="TxDOT 1918" /><ref name="Sorensen and Mosslemi 2009" /> {{defn|1=State achieved when a product, design, or procedure meets applicable standards and codes of practice, regardless of the actual safety history.<ref name="T ...
    158 KB (23,408 words) - 19:41, 23 February 2025
  • ...cell industry associations, in education material and fuel cell codes and standards to name but a few. : [[Emission standards]] are requirements that set specific limits to the amount of [[pollutants]] ...
    92 KB (12,972 words) - 00:03, 23 December 2024
  • ...for electronic communications. ASCII codes represent text in computers, [[telecommunications equipment]], and other devices. Most modern character-encoding schemes are ...nary of Algorithms and Data Structures]]|publisher=[[National Institute of Standards and Technology]]|access-date=22 August 2010}}</ref><ref name="andres">{{cit ...
    214 KB (29,880 words) - 09:50, 28 January 2025
  • ...X-ray fluorescence]] radiation) when irradiated. In Germany, the Radiology Standards Committee has taken up the issue and introduced a German standard (DIN 6857 ...e surrounding area is protected from radiation by three-meter thick walls. Mobile equipment is used to irradiate tumors in small animals at various locations ...
    263 KB (37,147 words) - 20:45, 27 January 2025
  • ...ilt to date and its high torque makes it the first air engine suitable for mobile applications.}}</ref> ...google.com/books?id=B6shu_hAiGkC&pg=PA45 ''Dot-Dash to Dot.com: How Modern Telecommunications Evolved from the Telegraph to the Internet.''] {{Webarchive|url=https://web ...
    246 KB (34,499 words) - 14:19, 19 February 2025
  • ...</ref> The organization also coordinates U.S. standards with international standards so that American products can be used worldwide.}} ...ystalline and non-crystalline solids. The movement or displacement of such mobile defects is thermally activated, and thus limited by the rate of atomic diff ...
    279 KB (40,634 words) - 08:09, 28 January 2025