/
/
/
/
- Energy gain: 27.6 ± 1 dBi
- Beam width: 7˚
- Connectors: R-SMA on cable
- Dimensions: Ø 120 cm
- Polarization: Linear, vertical/horizontal or 2x45°
- Energy gain: 25 ± 1 dBi
- Beam width: 10˚
- Connectors: R-SMA on cable
- Dimensions: Ø 90 cm
- Polarization: Linear, vertical/horizontal or 2x45°
- Connector: N - female
- Polarization: Horizontal or vertical depending on position
- Energy gain: 23 ± 1 dBi
- Beam width: 14°
- Connectors: R-SMA on cable
- Dimensions: Ø 68 cm
- Polarization: Linear, vertical/horizontal or 2x45°
2.4 GHz parabolic antennas offer advanced solutions for building and expanding wireless networks operating in the popular 2.4 GHz band. Featuring a parabolic reflector shape, they are an ideal choice where maximum range, high throughput, and reliable connection stability, even in challenging conditions, are a priority.
Advantages of 2.4 GHz parabolic antennas:
-
Long Range: A key advantage of parabolic antennas is their ability to focus signal energy into a narrow beam. This allows for much longer data transmission distances than omnidirectional or sector antennas.
-
High Gain: Thanks to their precise signal focus, parabolic antennas offer very high gain (measured in dBi).
-
Narrow Beamwidth: A narrow signal beam minimizes interference from other radio sources, which is crucial in the crowded 2.4 GHz band. This improves connection stability and data transmission efficiency.
-
Interference Resistance: Precise signal direction makes parabolic antennas less susceptible to environmental interference, resulting in more stable and reliable connections.
-
Connection Stability: Thanks to their strong and focused signal, connections established with parabolic antennas are typically more stable and less susceptible to throughput drops or dropouts.
-
Ideal for Point-to-Point (PtP) connections: Due to their properties, parabolic antennas are an optimal solution for creating radio bridges between two distant points (e.g., buildings).
Choosing the right 2.4 GHz parabolic antenna depends on your specific needs and operating conditions. Here are key factors to consider:
-
Gain (dBi): Determines the signal strength the antenna can transmit or receive. Higher gain is typically desirable for longer distances, but requires more precise antenna alignment.
-
Reflector Diameter: A larger reflector diameter typically translates to higher gain and a narrower beam, but also to a larger and heavier antenna.
-
Polarization:
Single Polarization: Antennas that emit or receive signals in only one plane (horizontal or vertical).
Dual Polarization: Antennas that support two perpendicular polarizations simultaneously, allowing for higher throughput (when using the appropriate radio) and better management of signal reflections.
-
Connector Type: Ensure the antenna has a connector compatible with your radio (usually N-Type female).
-
Material and Weather Resistance: Outdoor antennas must be made of durable materials (e.g., aluminum, galvanized steel) and resistant to UV radiation, rain, snow, and wind. Pay attention to the operating temperature range.
-
Mounting: Check the antenna's mounting method (e.g., on a mast) and ensure that the kit includes all necessary mounting hardware.
-
Manufacturer and build quality: Choose reputable manufacturers who guarantee high-quality workmanship and specifications. A well-made antenna will ensure long-term stability.
-
Price/quality ratio: Always look for the optimal balance between price, quality, and antenna performance. Sometimes it's worth investing a little more in a product that offers greater reliability and performance.
