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Horn Antennas

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Broadband Horn Antenna AB-DRH
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18 940 UAH
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Horn Antenna 300-700 MHz
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40 000 UAH
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Horn Antenna Sprut Tactical ST5872-18
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8 541 UAH
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Horn Antenna Sprut Tactical ST4862-18
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8 892 UAH
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Horn Antenna Sprut Tactical ST5872-14
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7 722 UAH
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Horn Antennas

What are horn antennas?

A horn antenna is a directional radio wave radiator that transmits or receives a signal in a wide frequency range. Due to the shape of the horn, such an antenna evenly distributes radiation while maintaining signal power and accuracy. Horn antennas are frequently used in military systems, FPV drones, radars, and transmitters due to their operational stability and reliability.

Purpose of horn antennas

The main function is signal amplification and direction. Horn antennas provide high-quality communication over long distances, reduce energy losses, and improve data transmission. In FPV systems, they help maintain a stable radio channel even under active interference.

Operating principle

A horn antenna works as a waveguide that converts energy from a transmitter into directional radiation. This increases transmission efficiency, reduces signal reflections, and improves polarization. This ensures clear communication in any conditions.

Key characteristics of horn antennas

  • Frequency range — determines the working waveband.
  • Signal gain — affects communication range.
  • Polarization — vertical, horizontal, or circular.
  • Size and weight — important for mounting on drones.
  • Housing material — aluminum or composite for durability and lightweight design.

How to choose a horn antenna?

When choosing an antenna, consider the frequency range, gain level, polarization type, dimensions, and compatibility with your transmitter or receiver. A reliable horn antenna guarantees a stable connection and accurate signal transmission even in the field.

Where to buy horn antennas?

You can order a horn antenna at Flash Army. We offer proven solutions for military and FPV systems with a quality guarantee and fast delivery across Ukraine.

We also have other spare parts and drone components. If you cannot find the required part, you can always ask a consultant for help. Flash Army — a stable signal and reliable communication in any conditions.

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Frequently asked questions about products in this category Horn Antennas

A horn antenna is a directional antenna that forms a narrow signal in a specific direction. It is designed as an expanding channel through which the wave exits already formed. This prevents the signal from scattering around, concentrating it forward, which provides more stable operation at a distance.
A horn antenna operates via a waveguide that expands towards the output. The signal enters the narrow part and then gradually expands within the horn. As a result, a directional beam with a controlled angle is formed at the output. In reception, the opposite occurs: the antenna collects the signal and directs it into the internal path.
The range always depends on the specific model. These can be options for 2.4 GHz, 5.8 GHz, or higher frequencies. The antenna type itself is not tied to a single frequency — it is made for various bands, so always check the specifications of a particular model before choosing.
Horn antennas typically have a gain of 10 dBi and higher. Smaller models provide closer to 10–12 dBi, while larger ones offer more. This means the antenna already operates directionally and provides better range compared to simple antennas.
Horn antennas use both linear and circular polarization. Most often, this is vertical or horizontal linear, but there are models with right or left circular polarization. The choice depends on the antenna or system it is paired with.
Horn antennas are used where a directional and stable signal is required. These can be FPV systems, video channels, repeaters, or radio monitoring. They are chosen not for omnidirectional coverage, but when it is important to operate in a specific sector and maintain signal at a distance.
There are several main types: classic horn, conical, and wideband. Standard horn antennas are a basic option for a specific frequency. Conical antennas provide a different beam shape and often higher gain. Wideband antennas cover a large frequency range at once.
A horn antenna provides a more stable and cleaner signal in the direction of operation. It offers better beam control, picks up fewer unwanted reflections, and delivers predictable results. This is crucial where not just signal presence but normal channel quality is required.
Prices for horn antennas range from approximately UAH 4,000–5,000 and up. Basic models are cheaper, while options with higher gain, wider range, or more complex designs cost more.
Horn antennas can be purchased on the Flash Army website. Before choosing, it is better to pay attention to the frequency, gain, beam angle, and polarization type, as antennas for different tasks vary significantly.