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Ubiquiti UB-AM Universal Antenna Wall Mount Bracket
Introducing the 18-inch high Ubiquiti UB-AM Universal Arm Mounting Bracket that is designed for wall or pole mount, and provide a versatile and robust solution for mounting all of your devices in outdoor environments. Easy assembly and installation at a cost effective price.
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Pioneering Progress : American Science, Technology, and Innovation Policy
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Handbook of Research on Science Teacher Education
This groundbreaking handbook offers a contemporary and thorough review of research relating directly to the preparation, induction, and career long professional learning of K–12 science teachers. Through critical and concise chapters, this volume provides essential insights into science teacher education that range from their learning as individuals to the programs that cultivate their knowledge and practices.Each chapter is a current review of research that depicts the area, and then points to empirically based conclusions or suggestions for science teacher educators or educational researchers.Issues associated with equity are embedded within each chapter.Drawing on the work of over one hundred contributors from across the globe, this handbook has 35 chapters that cover established, emergent, diverse, and pioneering areas of research, including: Research methods and methodologies in science teacher education, including discussions of the purpose of science teacher education research and equitable perspectives; Formal and informal teacher education programs that span from early childhood educators to the complexity of preparation, to the role of informal settings such as museums; Continuous professional learning of science teachers that supports building cultural responsiveness and teacher leadership; Core topics in science teacher education that focus on teacher knowledge, educative curricula, and working with all students; and Emerging areas in science teacher education such as STEM education, global education, and identity development. This comprehensive, in-depth text will be central to the work of science teacher educators, researchers in the field of science education, and all those who work closely with science teachers.
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Handbook of Research on Science Teacher Education
This groundbreaking handbook offers a contemporary and thorough review of research relating directly to the preparation, induction, and career long professional learning of K–12 science teachers. Through critical and concise chapters, this volume provides essential insights into science teacher education that range from their learning as individuals to the programs that cultivate their knowledge and practices.Each chapter is a current review of research that depicts the area, and then points to empirically based conclusions or suggestions for science teacher educators or educational researchers.Issues associated with equity are embedded within each chapter.Drawing on the work of over one hundred contributors from across the globe, this handbook has 35 chapters that cover established, emergent, diverse, and pioneering areas of research, including: Research methods and methodologies in science teacher education, including discussions of the purpose of science teacher education research and equitable perspectives; Formal and informal teacher education programs that span from early childhood educators to the complexity of preparation, to the role of informal settings such as museums; Continuous professional learning of science teachers that supports building cultural responsiveness and teacher leadership; Core topics in science teacher education that focus on teacher knowledge, educative curricula, and working with all students; and Emerging areas in science teacher education such as STEM education, global education, and identity development. This comprehensive, in-depth text will be central to the work of science teacher educators, researchers in the field of science education, and all those who work closely with science teachers.
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What type of antenna is used: a traditional antenna, a fin antenna, or no antenna at all?
The type of antenna used can vary depending on the specific application and design of the device. Traditional antennas, such as dipole or monopole antennas, are commonly used for general wireless communication applications. Fin antennas, also known as shark fin antennas, are often used in automotive applications for GPS, cellular, and other wireless communication systems. Some devices may not have a visible external antenna at all, as the antenna may be integrated into the device's housing or printed onto the circuit board. Ultimately, the choice of antenna type depends on the specific requirements and constraints of the device and its intended use.
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Does an antenna amplifier help if my car antenna is not an electronic antenna?
No, an antenna amplifier will not help if your car antenna is not an electronic antenna. Antenna amplifiers are designed to boost the signal strength of electronic antennas, such as those used for digital TV or radio reception. If your car antenna is a traditional, non-electronic antenna, an amplifier will not improve its performance as it is not designed to work with this type of antenna.
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Does an antenna amplifier help if my car antenna does not have an electronic antenna?
No, an antenna amplifier will not help if your car antenna does not have an electronic component. Antenna amplifiers are designed to boost weak signals received by electronic antennas, so without an electronic antenna to amplify the signal from, the amplifier will not be effective. In this case, it would be more beneficial to consider upgrading to a different type of antenna that is better suited for your needs.
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How is the antenna cable broken in the antenna socket?
The antenna cable can be broken in the antenna socket due to wear and tear over time, improper installation, or physical damage. If the cable is bent at a sharp angle or pulled too tightly, it can cause the internal wires to break. Additionally, if the antenna socket is not securely attached or if there is excessive movement or vibration, it can lead to the cable breaking inside the socket. It is important to handle the antenna cable carefully and ensure proper installation to prevent damage.
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Handbook of Research on Science Education : Volume III
Volume III of this landmark synthesis of research offers a comprehensive, state-of-the-art survey highlighting new and emerging research perspectives in science education. Building on the foundations set in Volumes I and II, Volume III provides a globally minded, up-to-the-minute survey of the science education research community and represents the diversity of the field.Each chapter has been updated with new research and new content, and Volume III has been further developed to include new and expanded coverage on astronomy and space education, epistemic practices related to socioscientific issues,design-based research, interdisciplinary and STEM education, inclusive science education, and the global impact of nature of science and scientific inquiry literacy. As with the previous volumes, Volume III is organized around six themes: theory and methods of science education research; science learning; diversity and equity; science teaching; curriculum and assessment; and science teacher education.Each chapter presents an integrative review of the research on the topic it addresses, pulling together the existing research, working to understand historical trends and patterns in that body of scholarship, describing how the issue is conceptualized within the literature, how methods and theories have shaped the outcomes of the research, and where the strengths, weaknesses, and gaps are in the literature. Providing guidance to science education faculty, scholars, and graduate students, and pointing towards future directions of the field, Handbook of Research on Science Education Research, Volume III offers an essential resource to all members of the science education community.
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Gender Differences in Technology and Innovation Management : Insights from Experimental Research
Even though the number of working women has steadily increased over the last few years, women are still significantly under-represented in STEM activities (i.e. mathematics, informatics, science and technology). In order to eliminate this under-representation, numerous education policies and corporate initiatives, particularly in the recent past, have been aimed at increasing women's enthusiasm for STEM activities and professions.According to the latest surveys, however, it is clear that these efforts have not yet led to the desired success.Compared to their male counterparts, women continue to do fewer STEM activities. One possible reason for this is that relatively little is yet known about the concrete impact of the above education policies on working with innovation and technology: What are the gender differences between women and men?Is it enough to recognize these differences, or should these differences ideally not only be recognized, but also treated appropriately or even encouraged? This anthology deals with current topics in technology and innovation management against the background of these and other gender-relevant aspects.Empirical analyses and experiments in collaboration with companies from various sectors provide a sound scientific basis on which new results and findings are presented: How do women and men deal with creativity and competition?How are technologies applied and how can differences in access to technology be deduced? Answers to these and other questions help decision-makers in politics and business to proactively use the differences between women and men to motivate women to work in the STEM field and to strengthen them by acknowledging existing differences.
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Makerspaces, Innovation and Science Education : How, Why, and What For?
This book provides an overview to a range of theories in science and technology that inform the different ways in which makerspaces can be educative.Makerspaces are an indispensable site for science, technology, engineering, and mathematics (STEM) instruction and pose novel risks and opportunities for STEM instruction.Educators are likely to reach towards activities that have a high degree of engagement, but this might result in observations like 'it looks like fun, but what are they learning?'. Beginning from the question of how we know what we know in science, the author asserts that understanding scientific knowledge requires us to know more than the abstract concepts typically presented in schools.The social and material aspects of knowledge are also important—these take the form of questions such as: What is the interplay between knowledge and power?How do we understand that we can have a ‘feel’ for materials and artefacts that we cannot completely describe in words?How do we know what ideas ought to be made real though technology and engineering?Significantly, this book also discusses the ethical dimensions of STEM education, in thinking about the kinds of STEM education that could be useful for open futures. This book will be useful to graduate students and educators seeking an expansive view of STEM education.More generally, these ideas outline a possible new strategy for a vision of school that is not merely training or preparing students for work.Education needs to also prepare students for sociopolitical participation, and with STEM being central to our contemporary lives, this book provides insights for how this can happen in makerspaces.
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RTK Radio Antenna Antenna Length Antenna Length: 17cm
Features: * Brand new and high quality * Made of high-quality materials, sturdy and practical * RTK Radio Antenna Whip antenna TNC 450-470MHZ for R6 R8 GPS Surveying Specification: Part name: Antenna Colour: Black Material: glue stick Size: Antenna length: 17cm Gain: 3dBi Frequency range: UHF 400-470 MHz Standing wave ratio:
Price: 42.0 € | Shipping*: 0.0 €
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Is the antenna on my WLAN router a dipole antenna?
Yes, the antenna on your WLAN router is likely a dipole antenna. Dipole antennas are commonly used in WLAN routers because they are simple, cost-effective, and provide good omnidirectional coverage. They consist of two metal rods or wires that are oriented perpendicular to each other, which helps in transmitting and receiving radio waves efficiently.
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How can the antenna reception be improved for a dipole antenna?
The reception of a dipole antenna can be improved by increasing its height above the ground, as this reduces ground losses and improves the antenna's radiation pattern. Additionally, using a balun (balanced to unbalanced) transformer can help to match the impedance of the antenna to the transmission line, improving signal reception. Finally, orienting the dipole antenna in the direction of the desired signal can also improve reception by maximizing the antenna's sensitivity to that particular signal.
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Sector or omnidirectional antenna?
The choice between a sector or omnidirectional antenna depends on the specific requirements of the wireless network. A sector antenna provides a focused signal in a specific direction, making it ideal for covering a specific area with high capacity. On the other hand, an omnidirectional antenna broadcasts the signal in all directions, providing coverage in all directions but with less capacity. Ultimately, the decision should be based on factors such as the size and shape of the coverage area, the number of users, and the desired signal strength and capacity.
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What is antenna gain?
Antenna gain is a measure of the ability of an antenna to direct or concentrate radio frequency energy in a particular direction. It is a ratio of the power transmitted or received by the antenna in a specific direction compared to the power transmitted or received by an ideal isotropic antenna. Antenna gain is often expressed in decibels (dB) and is an important factor in determining the overall performance and effectiveness of an antenna in a given application. A higher antenna gain indicates a more focused radiation pattern and increased signal strength in a specific direction.
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