10 Best antenna of 2018

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Antenna guide

There are many types of antennas through which a variety of television programs are transmitted. There are also many different antenna systems in radio technology. One of the strongest and most powerful antenna is a directional antenna. It sends and receives in one direction and not 360 degrees like an audio antenna. Both antenna systems offer advantages and disadvantages.

Advantages and disadvantages of a directional antenna

A conventional directional antenna works like a garden hose, While 360-degree hoses radiate the water permanently into a small radius, a hose in the form of a directional antenna extends a few meters. The beam can be set more targeted. When it comes to establishing a point-to-point connection, a directional antenna always gains in comparison to a wrap-around antenna. This game does not work if you want to be mobile. The point-focused antenna would not be well suited to a constant change of direction. Therefore, of course, directional antennas are never attached to a car. The same applies if several users from different corners want to communicate with each other. An advantage of a directional antenna is that the RF signal can be received more strongly. This allows a longer range. But even at a normal distance, it offers advantages, since the reliability compared to round radiators is much better. A small disadvantage of the directional antenna is that the side and rear reception is reduced. As a result, interference radiation such as in LTE signals or TV channels can be greatly reduced.

Different types of antennas

One of the most well-known antennas for TVis the DVB-T antenna , With this antenna the reception mode DVB-T can be used. The antenna must be properly aligned initially to provide the best reception. Depending on the place of installation, a certain reception quality is available. It takes some time to find the right location. The types of antennas differ between passive and active. Depending on the design, the received signal can be amplified by a certain dB number for an active variant. The passive antenna never amplifies the input signal. For this antenna is not synonymous power adapterneeded for the power supply. This makes it mobile and flexible to use. In addition, a distinction is made between outdoor and indoor antennas. A relevant purchase decision is the design and the place of installation. There are, for example, rod or flat antennas. In most cases it is recommended to choose a large antenna. This antenna can guarantee better quality compared to a smaller version.

Reinforcement of the antennas

An active one DVB-T antennahas an integrated amplifier, This amplifier is able to convert a weak input signal to a useful output signal. The amplifiers make between 15 and 35 dB. The higher this value, the more stable and better the received signal. An amplifier always has the task, a signal loss in the antenna cablecompensate. He ensures a good reception. It is very important that the amplifier is always in front of the cable. If it is behind, then the signal interference will be further amplified. An antenna amplifier supports especially the areas FM, UHW, VHF and DVB-T.

*Last update on 2018-07-30 / Affiliate links(we get a commission when you buy on amazon) / Images from Amazon Product Advertising API