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IP телефон UNIFY COMMUNICATIONS OpenScape CP205 [l30250-f600-c432]


дисплей: монохромный; цвет: черный

22350 RUR

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Маршрутизатор Zyxel LTE4506-M606, LTE4506-M606-EU01V1F, белый


LTE4506 – это портативный маршрутизатор нового поколения, соответствующий стандарту LTE Category 6. Технология Carrier Aggregation обеспечивает скорость загрузки данных из Интернета до 300 Mbps, что вдвое быстрее по сравнению с Category 4 и вдвое быстрее проводного Fast Ethernet.

9258 RUR

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IP телефон UNIFY COMMUNICATIONS OpenStage 40 [l30250-f600-c247]


дисплей: монохромный; питание: сетевой адаптер/PoE; цвет: черный

32100 RUR

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IP телефон UNIFY COMMUNICATIONS OpenScape 35G Eco [l30250-f600-c420]


дисплей: монохромный; питание: от сети; цвет: черный

19020 RUR

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Трубка UNIFY COMMUNICATIONS OpenStage WL3 [l30250-f600-c311]


дисплей: цветной; питание: собственный аккумулятор; цвет: черный

78970 RUR

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Радиотелефон UNIFY COMMUNICATIONS OpenScape SL5, серебристый [l30250-f600-c450]


bluetooth; однолинейный; подсветка клавиатуры; полифония; в комплекте 1 радиотрубка

30930 RUR

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Erwin Matthias Beyer The Bank of Communications and its Notes


The Bank of Communications and its NotesИздательство: GrafschaftСерия:

1000 RUR

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IP телефон UNIFY COMMUNICATIONS OpenScape 55G [l30250-f600-c290]


дисплей: монохромный; питание: сетевой адаптер; цвет: черный

37560 RUR

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Трубка UNIFY COMMUNICATIONS OpenStage WL3 [l30250-f600-c310]


дисплей: цветной; питание: собственный аккумулятор; цвет: черный

46560 RUR

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Трубка UNIFY COMMUNICATIONS OpenScape S5 [l30250-f600-c500]


дисплей: цветной; питание: собственный аккумулятор; цвет: серебристый

21100 RUR

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Кабель APC CATEGORY 5 UTP 568B PATCH CABLE GREY RJ45M/R 3827GY-5

Louis J. Ippolito, Jr. Satellite Communications Systems Engineering. Atmospheric Effects, Link Design and System Performance


The first edition of Satellite Communications Systems Engineering (Wiley 2008) was written for those concerned with the design and performance of satellite communications systems employed in fixed point to point, broadcasting, mobile, radio navigation, data relay, computer communications, and related satellite based applications. This welcome Second Edition continues the basic premise and enhances the publication with the latest updated information and new technologies developed since the publication of the first edition. The book is based on graduate level satellite communications course material and has served as the primary text for electrical engineering Masters and Doctoral level courses in satellite communications and related areas. Introductory to advanced engineering level students in electrical, communications and wireless network courses, and electrical engineers, communications engineers, systems engineers, and wireless network engineers looking for a refresher will find this essential text invaluable.

10311.4 RUR

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Paul Antonik Smart Grid using Big Data Analytics. A Random Matrix Theory Approach


This book is aimed at students in communications and signal processing who want to extend their skills in the energy area. It describes power systems and why these backgrounds are so useful to smart grid, wireless communications being very different to traditional wireline communications.

9517.52 RUR

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Jim Taylor Deep Space Communications


A collection of some of the Jet Propulsion Laboratory's space missions selected to represent the planetary communications designs for a progression of various types of missions The text uses a case study approach to show the communications link performance resulting from the planetary communications design developed by the Jet Propulsion Laboratory (JPL). This is accomplished through the description of the design and performance of six representative planetary missions. These six cases illustrate progression through time of the communications system's capabilities and performance from 1970s technology to the most recent missions. The six missions discussed in this book span the Voyager for fly-bys in the 1970s, Galileo for orbiters in the 1980s, Deep Space 1 for the 1990s, Mars Reconnaissance Orbiter (MRO) for planetary orbiters, Mars Exploration Rover (MER) for planetary rovers in the 2000s, and the MSL rover in the 2010s. Deep Space Communications: Provides an overview of the Deep Space Network and its capabilities Examines case studies to illustrate the progression of system design and performance from mission to mission and provides a broad overview of the missions systems described Discusses actual flight mission telecom performance of each system Deep Space Communications serves as a reference for scientists and engineers interested in communications systems for deep-space telecommunications link analysis and design control.

12690.78 RUR

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Oriol Sallent Mobile Broadband Communications for Public Safety. The Road Ahead Through LTE Technology


This book provides a timely and comprehensive overview of the introduction of LTE technology for PPDR communications. It describes the operational scenarios and emerging multimedia and data-centric applications in demand and discusses the main techno-economic drivers that are believed to be pivotal for an efficient and cost-effective delivery of mobile broadband PPDR communications. The capabilities and features of the LTE standard for improved support of mission-critical communications (e.g., proximity services, group communications) are covered in detail. Also, different network implementation options to deliver mobile broadband PPDR communications services over dedicated or commercial LTE-based networks are discussed, including the applicability of the Mobile Virtual Network Operator (MVNO) model and other hybrid models. Radio spectrum matters are also discussed in depth, outlining spectrum needs and providing an outlook into allocated and candidate spectrum bands for PPDR communications and suitable dynamic spectrum sharing solutions in PPDR communications. Explanations are accompanied by a vast collection of references that allow the more intrigued reader to gain further insight into the addressed topics.

9120.96 RUR

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