FUTABA 16SZ Instruction Manual page 33

Antenna
To obtain the best results of the diversity
instructions:
1. The two antennas must be kept as straight
as possible. Otherwise it will reduce the
effective range.
2. The two antennas should be placed at 90
degrees to each other.
Antenna
＜ Before Use ＞
34
*Must be kept as straight as possible.
Coaxial cable
R7008SB Receiver
This is not a critical figure, but the most
important thing is to keep the antennas
away from each other as much as possible.
Larger models can have large metal
objects that can weaken the RF signal. In
this case the antennas should be placed
at both sides of the model. Then the best
attitude.
3. The antennas must be kept away from
conductive materials, such as metal,
carbon and fuel tank, by at least half an
inch. The coaxial part of the antennas does
not need to follow these guidelines, but do
not bend it in a tight radius.
4. Keep the antennas away from the motor,
ESC, and other noise sources as much as
possible.
Antenna