Anntlent AN-USF5-01 Посібник користувача - Сторінка 7

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install them only after the signal quality is tested and the self-oscillation is avoided.

If the directional antenna is selected, the main directional angle should point to the

tower antenna.

If the performance is poor due to weak signals or poor phone call quality, please



adjust the direction of outdoor antenna or change its position in order to obtain the

best calling effect.

The wide band booster supports all mobile operators or different mobile systems,



so please adjust the outdoor antenna direction to have balance between signals of

different mobile operators or various mobile systems.

Connect the outdoor antenna to the booster connector marked OUTDOOR with 10



meters 3D-FB Coaxial cable with N male connector

Important : Outdoor antenna installation ---Notes:

In order to avoid interference, please note that the outdoor antenna should be far



away from the following objects of metal, high-voltage line, RF antenna and

high-voltage transformer.

Booster is a two-way signal Booster. So proper isolation between outdoor antenna



and indoor antenna is necessary in order to avoid self-oscillation.

The minimum distance between outdoor antenna and indoor antenna shall be more



than 10 meters; again the direction of outdoor and indoor antennas shall be opposite.

As shown in the below illustration, the booster the downlink signal



and send to the indoor antenna hereafter. If the distance between outdoor antenna

and indoor antenna is less than the required distance, the amplified signal

back from indoor antenna to outdoor antenna. So it will lead to self-oscillation and

reduce the coverage area, also the bad calling quality could happen at the same time,

and the worse is that the mobile network could be influenced badly and the operators

will finally come to shut off the booster system.

from the tower

will go

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