11
▋▋2.4GHz▋Antenna▋Considerations
2.4GHz band radio waves have strong directionality so receiving sensitivity diers greatly depending on the
direction of antenna orientation.
If the antenna is attached directly to a shielding material such as carbon or metal, the receiving sensitivity of
the antenna is considerably reduced.
Multi Coaxial Antenna type receiver (more than one coaxial antenna extending from the receiver)
Be sure to install the antenna’s at right angles to each other, rather than parallel.
Single Coaxial Antenna type receiver
Avoid placing the antenna along a carbon fuselage, or surrounded by metal materials.
▋▋Remote▋Antenna▋installation
The remote Antenna RA01T receives data from the transmitter, and also feeds telemetry data back to the
Transmitter so it is highly recommended to locate the Remote Antenna away from the main Receiver unit, ESC,
Regulator, Servos, Gyro Sensors, harness or Power cables, etc to avoid interference.
RX
RX
RX
RX
× Wrong Antenna Installation
The arrows show the receiving direction with
regard to the antenna.
Carbon frame
Receiving
Sensitivity
(High)
Receiving Sensitivity
(High)
Receiving Sensitivity (High)
Receiving
Sensitivity
(Low)
RX
RX
Take care not to damage
the antennas projecting
from the aircraft body.
Weak
Signal
Strong
Reception
Strong
Reception
RG Cable 150
RG831B Main Unit
Remote Antenna
Built-in Antenna
▼
Front Face
▲
Rear Face
Strong
Reception
Strong
Reception
Weak
Signal
RA01T Side View
Built-in Antenna
Circuit Board Face
Due to the 2.4GHz band which has a strong directionality in
its radio waves, the receiving sensitivity will greatly differ
depending on the direction against the antenna. Since the
antenna receives radio waves from the sides rather than
from the tip, please take adequate care of the antenna
direction when installing the antenna in the model.
The built-in antenna of the remote antenna is
installed on the surface of the circuit board.
Care will be required in the situation where the
built-in antenna has been installed beside a
shielding material, since the receiving
sensitivity will be considerably degraded.
* The remote antenna receives the data and also
feeds back to the transmitter.
The antenna part should be installed
in a perfectly straight condition.
Coaxial part of the antenna can
be bent however, do not bend it
in a right angle. This will damage
the internal antenna wires.
If each antenna is installed in parallel, the receiving
efficiency will be reduced.
Receiver Battery
(sold separately)
SENSOR
Sensor(sold separately)
Connection
Diagram
Switch Harness
(sold separately)
When inserting the
connectors, take
note of the correct
direction.
RG731BX Receiver
Close up of the connector
Sensor Connections
When connecting sensors, use
a Y-Harness (sold separately)
connected to the [BIND/BAT-
T/SENS] terminal.
* It is not necessary to carry
out binding for the sensor.
Conventional servo
(sold separately)
X.Bus system products
Remote antenna
Y-Harness
(sold separately)
RX
wiring example
Conventional Servo
X.Bus Compatible servo
BATTRY
BATTRY
HUB
HUB
Converter
Output Port
(1ch)
(2ch)
(3ch)
(4ch)
(5ch)
(6ch)
Servos can be operated
from a separate power
supply by using the
optional 'X-Bus power hub'.
※
X.Bus Compatible servo
X.Bus Compatible servoX.Bus Compatible servo
X.Bus Compatible servo
※
Aircraft body surface made
from shielding material
RX
RX
RX
RX
× Wrong Antenna Installation
The arrows show the receiving direction with
regard to the antenna.
Carbon frame
Receiving
Sensitivity
(High)
Receiving Sensitivity
(High)
Receiving Sensitivity (High)
Receiving
Sensitivity
(Low)
RX
RX
Take care not to damage
the antennas projecting
from the aircraft body.
Weak
Signal
Strong
Reception
Strong
Reception
RG Cable 150
RG831B Main Unit
Remote Antenna
Built-in Antenna
▼
Front Face
▲
Rear Face
Strong
Reception
Strong
Reception
Weak
Signal
RA01T Side View
Built-in Antenna
Circuit Board Face
Due to the 2.4GHz band which has a strong directionality in
its radio waves, the receiving sensitivity will greatly differ
depending on the direction against the antenna. Since the
antenna receives radio waves from the sides rather than
from the tip, please take adequate care of the antenna
direction when installing the antenna in the model.
The built-in antenna of the remote antenna is
installed on the surface of the circuit board.
Care will be required in the situation where the
built-in antenna has been installed beside a
shielding material, since the receiving
sensitivity will be considerably degraded.
* The remote antenna receives the data and also
feeds back to the transmitter.
The antenna part should be installed
in a perfectly straight condition.
Coaxial part of the antenna can
be bent however, do not bend it
in a right angle. This will damage
the internal antenna wires.
If each antenna is installed in parallel, the receiving
efficiency will be reduced.
Receiver Battery
(sold separately)
SENSOR
Sensor(sold separately)
Connection
Diagram
Switch Harness
(sold separately)
When inserting the
connectors, take
note of the correct
direction.
RG731BX Receiver
Close up of the connector
Sensor Connections
When connecting sensors, use
a Y-Harness (sold separately)
connected to the [BIND/BAT-
T/SENS] terminal.
* It is not necessary to carry
out binding for the sensor.
Conventional servo
(sold separately)
X.Bus system products
Remote antenna
Y-Harness
(sold separately)
RX
wiring example
Conventional Servo
X.Bus Compatible servo
BATTRY
BATTRY
HUB
HUB
Converter
Output Port
(1ch)
(2ch)
(3ch)
(4ch)
(5ch)
(6ch)
Servos can be operated
from a separate power
supply by using the
optional 'X-Bus power hub'.
※
X.Bus Compatible servo
X.Bus Compatible servoX.Bus Compatible servo
X.Bus Compatible servo
※
Aircraft body surface made
from shielding material
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