Magic Breed Plus User Manual
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11. Range and Testing
The range of RF devices such as the Magic Breed Plus system
is highly dependent on many factors but most specifically on
the path between the transmitter and receiver. Magic Breed
Plus uses the latest modulation technology at 917MHz, which
provides a significant increase in performance over the 27MHz
FM system used by the original Magic Breed design.
If there is a clear line of sight between the transmitter and
receiver than a range of over 1km can be easily achieved.
Unfortunately clear line of sight is somewhat uncommon.
Trees, fences and buildings can have a minimal to moderate
impact on the range. Hills can have a significant impact.
Regardless, even with significant blocking objects a range of
500m should still be easily achievable.
To perform testing, first check the pairing by placing a
transmitter on its side near the receiver. The alarm should
sound and then silence once the transmitter is placed back in
a flat orientation.
Take the transmitter to the foaling location and place it on its
side on the ground. For the most accurate testing place your
foot between the transmitter and the direction of the receiver
(this simulates the blocking characteristic of the mare’s body).
Again, the receiver should sound the alarm (it might be
necessary to have a helper relay this information).
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