AnyTone AT600 Panduan Instalasi - Halaman 8
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6. Antennas and Cables Setting Up
6.1. Outdoor antenna installation
The repeater's main function is to improve weak RF signals in an area. The formula is: Input power + Gain= Output power.
The signal strength from an outdoor antenna directly affects the efficiency of the indoor coverage. It is very important to
choose the correct outdoor antenna location in order to get the best signal.
Testing signal strength received by an outdoor antenna using a mobile phone:
The mobile phone shall display full bar signals in location where the outdoor antenna is installed
Phone calls or data transmission shall be smooth and stable. It is recommended to test the signal 3 times in location
where an outdoor antenna is to be installed
As shown from the illustration above, you should test the signals in points from A to E, and select a best place that
displays full bar signals.
Outdoor antenna installation Requirements:
Outdoor antenna should be installed on the roof of the house or in some other place where your mobile device is
within coverage zone. Mobile signal should be as strong that at least three-four bars are indicated on your phone
display.
Outdoor antenna should be fixed in straightly.
It is necessary to waterproof connectors of the outdoor antenna and feeder lines.
Repeater is a two-way signal amplifier. So proper isolation between outdoor antenna and indoor antenna is necessary
in order to avoid self-oscillation. A perfect example of self-oscillation is when you take a MIC and a loudspeaker for
example; if they are too close to each other, it could cause big noise.
If isolation can't be achieved due to limited distance, the roof of the building, walls or any other barriers can be used
between antennas to increase isolation.
Installation of a panel antenna as an outdoor antenna
Installation of a wide directional antenna as an outdoor antenna