DAVIS Wireless Repeaters for VP2 Manuel d'utilisateur Page 11

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Rev A 7/28/06 25 - 11
The 7660 Yagi antenna has much greater performance in one direction, at the sacrifice of all
other directions. Its transmission distance is 3.16 times greater than a dipole antenna. When
you pair a Yagi antenna with a dipole antenna, you can achieve a maximum transmission
distance of 3160’ (950 m), and 5000’ (1500 m) with a high-gain Omni. When paired with
another Yagi, the distance increases to a maximum 10,000’ (3000 m). This antenna is best
used when a repeater is receiving from one transmitter, transmitting to one receiver, or receiving
or transmitting multiple transmitters or receivers that are all in a straight line.
When paired with another antenna, it is best to be in the ‘beam’ of the Yagi antenna (Yagi
antenna pointed straight at the other antenna), but can be up to 25° above, below, left or right of
the center of the beam as shown below before performance seriously degrades.
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