External GSM and Wi-Fi antennas

An external antenna is a component of a signal amplification system.

An external antenna is a component of a signal amplification system. It services for receiving and transmitting data. The external gsm antenna mounts on the roof or facade of a building. Here it connects to the signal received via a high-frequency cable.

Kinds of antennas

Kinds of external antennas by design:

• Panel antennas;
• Wavelength channel;
• Circular omnidirectional;
• Sector;
• Pin antennas;
• Parabolic.
  
  
  

Directional Antennas

It has a narrow radiation pattern and designs to receive and send signals in one direction. The installation of the antenna determines the effectiveness of receiving radio waves. Antennas of this type need precise tuning, and the alignment to the base station ensures the antenna efficiency.

Panel antennas

Panel antennas are a type of directional antennas but have a radiation pattern than the wave channel. Thus, they are easier to tune. In most cases, it is enough to turn them towards the base station.

The antenna array is a set of dipoles arranged under each other in two columns. This arrangement is horizontal diversity. It allows you to achieve better signal quality in the direction of the base station. Arrays combines into a single housing to save space, as a flat panel.

Circular omnidirectional antennas

This wi-fi antenna is suitable for use in all data transmission standards. These antennas do not need precise installation in the direction of the base station. It because, as mentioned above, they are omnidirectional.

Rod antennas

Pin antennas are a type of circular omnidirectional antennas. It bases on an asymmetrical vibrating system made in the form of a rigid metal rod. The radiation and reception pattern is circular. It is useful for organizing communication between mobile objects; They do not need tuning and receive a signal from all directions.

Sector Antennas

They use when deploying base stations with an extensive subscriber base. They build in a phased array pattern and form a 60° sector.

Parabolic antennas

This kind of antennas uses at a great distance from the operator's tower (over 20 km). The process of installation and change it is quite laborious. Depending on the device type, there are straight-focus and parabolic offset antennas.

Some tips for choosing antennas

How do you choose an outside antenna that is right for your case? Use a few simple rules:

• If your signal is weak, use a directional antenna;
• Give preference to panel antennas - they are easier to set up;
• With a strong input signal to hang up a pole antenna outside the window or use a circular antenna on a bracket;
• Parabolic antennas you can use in the most severe cases.

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