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Comparison Eurosky ES-003 vs Eurosky ES-005A

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Eurosky ES-003
Eurosky ES-005A
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Signal reception
Analogue TV
DVB-T/T2
 
Analogue TV
DVB-T/T2
FM radio
Specs
Instalation typeoutdoorindoor
Amplification coefficient23 dB18 dB
UHF frequency range470 – 862 MHz470 – 862 MHz
Output impedance75 Ω75 Ω
Amplifier
General
Cable length1 m
Size33x27x90 cm
Antenna length33 cm
Added to E-Catalogfebruary 2019january 2019

Signal reception

Types of broadcasting for which the antenna is designed. Different types of broadcasting differ in the frequencies used and signal characteristics, which requires appropriate features in the antennas.

Analogue TV. Classic terrestrial broadcasting in analogue format. Due to the low quality of the signal and the tendency to interference, today it is considered completely obsolete, it is found mainly in those regions where DVB-T/T2 (see below) digital broadcasting has not yet been deployed. However, the requirements for antennas for analogue television broadcasting are no different from those for "digital" ones; therefore, almost all modern models, even those originally created for DVB-T/T2, work with an analogue signal without any problems.

DVB-T/T2. Digital terrestrial television, which replaced the analogue described above. Its main advantages are the ability to work with HD formats, as well as the fact that the quality does not depend on the signal level: either the viewer receives a full-fledged "picture" and sound, or they disappear completely (with a critical decrease in the signal level). Technically, DVB-T and DVB-T2 are different standards that are not compatible with each other; however, they have the same antenna requirements, so in this case, both types of broadcasting can be described together.

FM radio. The FM range (more...precisely, the standard) is very popular among music radio stations due to the high quality of the transmitted sound, including stereo capabilities. FM broadcasting is carried out in the range of 87.5 – 108 MHz, which is not used in television broadcasting; therefore, for devices with FM tuners (TVs can also be equipped with such receivers), you should choose antennas in which compatibility with this range is directly stated.

Instalation type

Implied way to install the antenna.

Street. Models designed for outdoor use. Such an installation does not impose special restrictions on size and design, which allows to focus on technical specifications. Thanks to this, outdoor models are generally more advanced than indoor models, a properly installed external antenna allows you to achieve reliable reception even in places with a rather weak signal. Another difference from indoor models is the improved protection from dust, water and other adverse factors. Most outdoor antennas are equipped with mounts for permanent installation on a horizontal or vertical surface (such as a roof or wall).

Room. Antennas designed for indoor installation. Usually, they have a relatively compact size, a rather elegant design compared to their outdoor counterparts, and they are also easier to install — you just need to install the device on any suitable surface. At the same time, the specifications of such models are noticeably inferior to other types, they are suitable only for places with a high TV signal level (for example, upper floors in low-rise buildings and a small distance from the repeater). And even in such cases, in order to achieve reliable reception, it may take a long and troublesome search for the optimal location for the antenna.

Amplification coefficient

The amount of received signal amplification provided by the antenna. The higher this indicator, the more confidently the antenna will work in conditions of poor reception, the lower the signal level at which it will be ineffective. At the same time, it is worth considering that a high amplification coefficient is not a guarantee of high quality. Firstly, unscrupulous manufacturers and sellers may indicate figures in the specifications that do not correspond to real indicators. Secondly, the antenna amplifies not only the useful signal, but also various interferences, and in some cases a low amplification coefficient is preferable (for example, in dense multi-storey buildings, when the signal reaches the antenna from different directions and with different delays). And thirdly, performance above 40 dB can only be achieved using amplifiers (see below) — and amplifiers are also a source of noise, which in some situations can be quite noticeable.

Cable length

The length of the connecting cable supplied with the antenna (often non-detachable). Quite a lot of models come with a cable right away, which eliminates the need to purchase it separately. And knowing the length of the cable, you can evaluate whether it is enough to reach the TV without additional cables.
Eurosky ES-003 often compared
Eurosky ES-005A often compared