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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.

Passive vs Active Phased Array Antennas

In contemporary communication and radar systems, phased array antennas have become a fundamental technology. By electronically steering the beam of radio waves, they provide substantial benefits over traditional mechanical steering methods. The landscape is primarily dominated by two types of phased array antennas: passive and active. Grasping the differences between these two types is essential for enhancing performance in a range of applications, from military radar systems to commercial telecommunications.

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Andrew Chen 4 Jul 2024 No Comments

What is a Phased Array Antenna?

What is a Phased Array Antenna? A phased array antenna is a type of antenna that uses multiple individual antennas (elements) to form a single, directional antenna capable of steering its beam electronically without moving the antenna physically. This capability allows for more precise control over the direction and strength of the signal, making it ideal for applications requiring high levels of accuracy and flexibility.

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Andrew Chen 3 Jul 2024 No Comments

Ultimate Guide to Choose the Right WiFi Omni-directional Antennas

In today’s world, having a strong and reliable WiFi connection is crucial. Whether you’re setting up a network at home, improving the wireless infrastructure of a business, or extending coverage in large outdoor areas, choosing the right WiFi omni-directional antenna can make all the difference. This guide will cover everything you need to know about selecting the perfect omni-directional antenna, helping you navigate through the many options available and ensuring that your network performs at its best, no matter where you are.

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Andrew Chen 28 Jun 2024 No Comments

What is A WiFi Slotted Waveguide Antenna?

A slotted waveguide antenna is a specialized antenna used in WiFi communication systems to enhance signal strength and coverage. It features slots in a waveguide that emit radio waves, allowing for efficient signal transmission. This type of antenna supports dual polarization, meaning it can handle both horizontal and vertical polarizations simultaneously, improving the reliability and performance of WiFi networks.

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Andrew Chen 27 Jun 2024 No Comments

Ultimate Guide to Choosing the Right WiFi Panel Antennas

WiFi panel antennas are designed to make your WiFi network work better and send the signal where you need it most. But with so many options to choose from, picking the right WiFi panel antenna can be hard. This guide will help you choose the right WiFi panel antenna by explaining the important things you need to think about. You’ll learn about the different types of antennas and how to use them, what the different numbers mean, and how to put them up. By the time you’re done, you’ll know what you need to know to get great WiFi in your house or office.

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Andrew Chen 25 Jun 2024 No Comments

9 Steps to Test the Read Range of UHF RFID Antenna

In the fast-evolving world of technology, Ultra-High Frequency (UHF) Radio Frequency Identification (RFID) systems have become indispensable across various industries, offering unparalleled efficiency and accuracy in tasks like inventory management and asset tracking. A critical factor in their effectiveness is the read range of the UHF RFID antenna. Understanding how to test this read range is essential for optimizing system performance. This article outlines nine essential steps to test the read range of a UHF RFID antenna, ensuring you get the most out of your RFID system.

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Andrew Chen 19 Jun 2024 No Comments

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

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