How much gain does a J-pole antenna have?

The gain of a J-pole antenna can vary depending on its design and construction. The gain is typically specified in decibels over isotropic (dBi) or decibels over a dipole (dBd)….

How high can a ham radio antenna be?

The height of a ham radio antenna depends on various factors, including the frequency of operation, the type of antenna, local regulations, and practical considerations. Here are some general guidelines:…

How high should a J-pole antenna be?

The optimal height for a J-pole antenna, like any other antenna, depends on several factors, including the frequency of operation, the surrounding environment, and the specific design of the antenna….

How does an active antenna work?

An active antenna operates by incorporating active electronic components, typically an amplifier, into its design to enhance the reception and transmission of radiofrequency signals. Here’s a detailed explanation of how…

How does DAS antenna work?

Distributed Antenna Systems (DAS) are designed to enhance wireless communication by improving signal coverage and capacity in specific areas. The DAS antenna plays a crucial role in this system. Below…

How does GSM-R work?

GSM-R, which stands for Global System for Mobile Communications – Railway, is a specialized wireless communication system designed for railway operations. It is based on the GSM standard but has…

Does an active antenna need power?

Certainly. Let’s explore the concept of active antennas and the role of power in their operation. Understanding Active Antennas 1. Passive vs. Active Antennas Antennas are broadly categorized as either…

Does a Yagi antenna improve reception?

A Yagi antenna is a type of directional antenna commonly used to improve reception in various communication applications. It consists of several elements arranged in a specific pattern to enhance…