Implied way to install the antenna.
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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).
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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.
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.