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Andrew Chen

Hi there! I'm Andrew Chen, the founder of sannytelecom.com. I've been operating a factory in China, designing and producing various kinds of communication antenna products since 2015. I'm passionate about wireless antennas and sustainability. In the articles, I want to share with you my knowledge about antennas & related products from a Chinese supplier's perspective.

How to Test the Antenna Radiation Patterns in the Anechoic Chamber?

In the quest for optimal wireless communication and signal transmission, understanding and perfecting antenna radiation patterns is paramount. The anechoic chamber, a specialized environment designed to eliminate reflections and external noises, provides the ideal setting for such meticulous testing. This article delves into the step-by-step process of testing antenna radiation patterns in an anechoic chamber, highlighting the significance of each phase and the critical considerations to ensure accurate and reliable results.

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Andrew Chen 15 Jun 2024 No Comments

What is An Anechoic Chamber?

An anechoic chamber is a specialized testing environment meticulously designed to create a free-field condition for precise electromagnetic wave measurements. By eliminating reflections and external electromagnetic interference, it ensures an ideal setting for accurate testing of RF antennas. This controlled environment is essential for evaluating the performance and characteristics of antennas, free from the distortions caused by external noise or signal reflections.

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Andrew Chen 12 Jun 2024 No Comments

Ultimate Guide to Choose the Right Microwave Antenna

Choosing the right microwave antenna can be a daunting task due to the variety of options available and the technical specifications involved. Factors such as frequency range, gain, polarization, isolation, VSWR,  flange interface, ODU mounting and environmental conditions all play a significant role in determining the best antenna for your application.

This ultimate guide will break down these factors into manageable sections, providing you with the knowledge and tools needed to make an informed decision. Whether you are looking to improve the performance of an existing system or design a new one from scratch, this guide will serve as your ultimate resource for microwave antenna selection.

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Andrew Chen 11 Jun 2024 No Comments

Flat Panel Antennas vs. Parabolic Dish Antennas

In the world of wireless communication, achieving optimal signal strength and coverage is paramount. With the increasing demand for reliable WiFi connectivity, the choice of antenna plays a crucial role in determining the quality of the wireless network. Two popular antenna types often used in WiFi applications are flat panel antennas and parabolic dish antennas. While both serve the purpose of enhancing signal strength and coverage, they differ significantly in design, performance, and application. This article delves into the intricacies of these two antenna types to help you make an informed decision.

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Andrew Chen 8 Jun 2024 No Comments

Flat Panel Antennas vs. Sector Antennas

In wireless networking, selecting the right antennas is essential for maximizing performance and coverage. Flat panel antennas and sector antennas are two widely used options in WiFi deployments, each with distinct features, benefits, and drawbacks. Knowing these differences enables network designers, engineers, and users to make informed choices when establishing or enhancing their wireless networks.

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Andrew Chen 6 Jun 2024 No Comments

What is A 5G DAS Antenna?

A 5G DAS antenna is a specialized device used to distribute 5G cellular signals within a building or specific area, enhancing signal strength and coverage. It supports the latest 5G frequency bands and often incorporates advanced technologies like 2×2 and 4×4 MIMO (Multiple Input, Multiple Output) to improve data speeds and connectivity.

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Andrew Chen 31 May 2024 No Comments

What is A Flexible Waveguide?

A flexible waveguide is a conduit for guiding electromagnetic waves, characterized by its unique ability to bend and twist while maintaining signal integrity. Unlike traditional rigid waveguides, which are fixed in shape, flexible waveguides utilize helically wound silver-coated brass strips surrounded by a durable neoprene sleeve, allowing for adaptable transmission paths. This flexibility enables them to navigate through tight spaces and conform to complex installations, making them indispensable in applications where rigid waveguides may be impractical.

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Andrew Chen 29 May 2024 No Comments

What is An orthomode transducer (OMT)?

An orthomode transducer (OMT) is a crucial component in microwave communication systems, designed to separate or combine two orthogonally polarized signals within waveguide setups. By efficiently handling polarized signals, it enhances signal clarity and overall system performance, making it essential for applications like satellite communications and radar systems.

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Andrew Chen 28 May 2024 No Comments

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