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Remote Receiver Installation
Remote receivers may be mounted with foam insulated double sided tape,
adhesive backed hook and loop tape, or silicone glue.
One 4651T telemetry remote receiver is included, and is required for full range
telemetry operation. It may be connected to any remote receiver port
(A, B, L, R). At least two remote receivers are required for operation, and there
must be a remote receiver connected in port A.
ANTENNA PLACEMENT
Spektrum Multilink technology gives you the protection of multiple remote
receivers working together to deliver a robust control link, but your installation
plays a critial role in the performance of the control link.
Remote receivers should be placed as far away from conductive materials
on the aircraft as possible such as motors, batteries, fuel tanks, engines,
mufflers, wiring and anything made of metal. Special consideration is needed
for composite models with carbon fiber construction. Receiver antennas should
never be placed in locations where they are enclosed or blocked by carbon
fiber.
Any electronic component should be considered a possible source of RFI (Radio
Frequency Interference) including BECs, electronic speed controllers, electronic
ignition systems, and cameras. Locate the remote receivers as far from any
sources of RFI as possible.
Antennas should be placed in different orientations and locations to maximize
the effectiveness of multilink technology. There should always be one or more
receiver antennas with an optimal path to the transmitter, regardless of the
model's orientation. Antennas should be oriented with one antenna vertical, and
one antenna horizontal. If you have a system with three antennas we suggest
installing two antennas vertical, one horizontal. If you have a system with four
antennas we suggest installing two antennas vertical, one horizontal parallel to
the direction of flight and one horizontal perpendicular to the direction of flight.
Always try to maximize separation between the remote receivers to further
improve control link performance.
The three included SPM9747 remote receivers have an antenna integrated into
the circuit board, there is no external antenna.
The included SPM4651T telemetry remote receiver has coaxial style antennas.
The last 31mm at the end of the coaxial cable is the active antenna element and
what needs the most consideration for placement on this remote receiver.
NOTICE: Do not cut, kink, or modify the antennas. Damage to the coaxial
portion of an antenna will reduce the performance of the antenna.
Shortening or cutting off the 31mm tip will reduce the range.
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