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System Accuracy*Base Station Mode (Broadcast Mode) and Relay Station Mode

Base Station Accuracy:
Single Point Accuracy (Uncalibrated):
Horizontal: 1.5 m (RMS)
Vertical: 3.0 m (RMS)

Satellite-Based Differential Accuracy:
Convergence Time: 20 mins
Horizontal: 30 cm (RMS)
Vertical: 40 cm (RMS)

Network RTK Calibration**:
Horizontal: 1.0 cm (RMS) + 1 ppm
Vertical: 3.0 cm (RMS) + 1 ppm

Rover Station Mode*

RTK Accuracy (Fixed Survey):
Horizontal: 0.8 cm (RMS) + 1 ppm
Vertical: 1.5 cm (RMS) + 1 ppm

RTK Accuracy (Tilt Survey)***:
Angle Range: 0° to 60°
Horizontal: 8 mm + 0.7 mm/° tilt (accuracy <2 cm within 30°)

^{* Measurement accuracy depends on various factors. This value is obtained under normal conditions with an unobstructed view, good satellite distribution, low ionospheric activity, and no electromagnetic interference or multipath effects.
** Base station calibration coordinate accuracy depends on various factors. For surveying, high-precision flight paths, etc., it is recommended to calibrate during periods of inactive ionosphere, in open, unobstructed environments with no electromagnetic interference or multipath effects, using four or more GNSS systems.
*** Intense vibrations and rapid rotations can affect the accuracy of the inertial measurement unit.}

Satellite-Based Precise Point Positioning*Supported Frequencies: BDS B2b, GALILEO E6**, L-BAND**
Convergence Time: 20 mins
Horizontal: 30 cm (RMS)
Vertical: 40 cm (RMS)

^{* Measurement accuracy depends on various factors. This value is obtained under normal conditions with an unobstructed view, good satellite distribution, low ionospheric activity, and no electromagnetic interference or multipath effects.
** Will be supported in later versions.}

Differential Data Transmission FormatWhen used as a base station or relay station, records RTCM 3.2 raw observation data in DAT format.
In rover station mode or in calibration mode for base and relay stations:
1. Supports RTCM v3.0, v3.1, v3.2, v3.3, MSM4, MSM5, MSM6, MSM7 protocols.
2. It is recommended to use receivers that support four or more GNSS systems.

Initialization Reliability>99.9%

Video Transmission

Video Transmission SystemO4 Enterprise

Operating FrequencyRelay Station Mode:
O4: 2.4 GHz/5.2 GHz/5.8 GHz
Base Station Mode:
O4: 2.4 GHz/5.8 GHz
Rover Station Mode:
BLE: 2.4 GHz

^{Operating frequency allowed varies among countries and regions. Please refer to local laws and regulations for more information.}

Transmitter Power (EIRP)2.4000 GHz to 2.4835 GHz:
<33 dBm (FCC)
＜20 dBm (CE/SRRC/MIC)

5.150 GHz to 5.250 GHz:
<23 dBm (CE/FCC)

5.725 GHz to 5.850 GHz:
<33 dBm (FCC)
<30 dBm (SRRC)
<14 dBm (CE)

BluetoothProtocol: Bluetooth 5.1
Frequency: 2.400 GHz to 2.4835 GHz
Transmitter Power (EIRP): <10 dBm

Max Transmission Distance (unobstructed, free of interference)Base Station Mode
Between D-RTK 3 and the aircraft:
FCC: 15 km
SRRC: 12 km
CE/JP: 8 km

Rover Station Mode:
Between D-RTK 3 and mobile devices: 30 m

^{Measured in an unobstructed outdoor environment free of interference. The above data shows the farthest communication range for one-way, non-return flights under each standard. Always pay attention to RTH reminders in the app during your flight.}

Max Transmission Distance in Relay Station Mode (unobstructed, free of interference)FCC
Between the aircraft and the relay station: 25 km
Between the relay station and the remote controller/DJI Dock 3: 1 km

SRRC
Between the aircraft and the relay station: 12 km
Between the relay station and the remote controller/DJI Dock 3: 1 km

CE
Between the aircraft and the relay station: 10 km
Between the relay station and the remote controller/DJI Dock 3: 300 m

^{Measured in an unobstructed outdoor environment free of interference. The above data shows the farthest communication range for one-way, non-return flights under each standard. Always pay attention to RTH reminders in the app during your flight. The relay station should be placed in a elevated, unobstructed location to ensure clear communication between the remote controller and the aircraft.}

Max Transmission Distance (unobstructed, with interference)Strong interference: City centers, approx. 1.5-5 km
Medium interference: Suburban areas, approx. 5-15 km
Micro interference: Remote areas/seasides, approx. 15-25 km

^{Data is tested under FCC standards in unobstructed environments of typical interference. Only to serve as a reference and provides no guarantee as to the actual flight distance.}

Max Transmission Distance (obstructed, with interference)Low Interference and Obstructed by Buildings: approx. 0-0.5 km
Low Interference and Obstructed by Trees: approx. 0.5-3 km

^{Data is tested under FCC standards in unobstructed environments of typical interference. Only to serve as a reference and provides no guarantee as to the actual flight distance.}

Relay Station Range Extension EffectRelay Station Performance Enhancement:
Severe obstruction (e.g., buildings, mountains): 3x to 5x performance improvement
Mild obstruction (e.g., trees, glass): 1x to 3x performance improvement

^{The relay station must be deployed in an elevated, unobstructed location free of interference.}

AntennaOcuSync 4 directional antennas× 4, 2T4R

^{The antenna uses a standard reverse polarity SMA connector.}

OthersD-RTK 3 Relay Fixed Deployment Version: Compatible with DJI Cellular Dongle 2

Electrical Properties

PowerD-RTK 3 Multifunctional Station:
Relay Station: 14.5 W*
Base Station: 7 W
Rover Station: 6.2 W

^{* Maximum power consumption without heating. When connected to a USB-C power supply above 9V, maximum power consumption with heating is 36.5 W.}

D-RTK 3 Relay Fixed Deployment Version：
Relay Station: 14.5 W**

^{** Max power consumption without heating. When connected to a PoE power supply of Type 4, maximum power consumption with heating is 36.5 W.}

Power Output PortD-RTK 3 Multifunctional Station: USB Type-C
D-RTK 3 Relay Fixed Deployment Version: USB Type-C and Ethernet Port (PoE)

Supported Power AdapterD-RTK 3 Multifunctional Station:
USB PD 3.0 protocol, output voltage 9V to 15V adapter (e.g., DJI 65W Portable Charger)

^{When using a non-recommended charger, such as a charger with 5V-output, the D-RTK 3 can be charged only after powering off.}

D-RTK 3 Relay Fixed Deployment Version:
DJI Dock 3 PoE Output Port
Third-party PoE Power Supplies:
IEEE 802.3bt Type 4 (PoE++): 52 V to 57 V output, 99.9 W max
IEEE 802.3bt Type 3 (PoE++): 50 V to 57 V output, 60 W max
IEEE 802.3at Type 2 (PoE+): 50 V to 57 V output, 30 W max

Battery Operating Time (Under Normal Temperature)* D-RTK 3 Multifunctional Station:
Relay Station: 4 hrs
Base Station：7 hrs
Rover Station: 10 hrs

D-RTK 3 Relay Fixed Deployment Version:
Relay Station：4 hrs**

^{* Battery performance may decrease in low temperatures; it is recommended to use power adapters that support the USB PD 3.0 protocol.
** When powered by PoE, the device battery enters preservation mode and does not fully charge. Upon PoE disconnection, the built-in battery delivers up to 2 hours of runtime.}

Ethernet Cable RequirementsD-RTK 3 Multifunctional Station:
Ethernet not supported

D-RTK 3 Relay Fixed Deployment Version:
Requires Cat 6 twisted-pair cable, ≤100m length, 6-9mm outer diameter.

BatteryLiPo
Capacity: 6500 mAh
Energy: 46.8 Wh

Physical Characteristics

Operating TemperatureD-RTK 3 Multifunctional Station: -20° to 55° C (-4° to 131° F)
D-RTK 3 Relay Fixed Deployment Version: -30℃ to 55° C (-22° to 131° F)

^{1. In normal temperature environments, charging power will be limited if the device shell temperature exceeds 48°C (118.4°F). Full power charging will resume after cooling.
2. After storage/use in low temperatures, the device needs to be brought to a normal temperature environment and allowed to warm up until the internal battery temperature is >0°C (32°F) before charging.
3. After storage/use in high temperatures, the device needs to be brought to a normal temperature environment and allowed to cool down until the internal battery temperature is <45°C (113°F) before charging.
4. When connected to Type 4 PoE power, the D-RTK 3 Relay Fixed Deployment Version enables heating for low-temperature startup.}

Altitude6000 m

Protection RatingD-RTK 3 Multifunctional Station: IP67*
D-RTK 3 Relay Fixed Deployment Version: IP67**

^{* Please ensure all rubber seals are securely installed for optimal performance.
** The rubber seal on the PoE input port of the Fixed Deployment Version provides IPX5-rated protection. IP67 protection requires installation of the dedicated PoE port connector and cable.}

Drop ResistanceD-RTK 3 Multifunctional Station: 2 m drop with pole

DimensionsD-RTK 3 Multifunctional Station: 163 mm × 89 mm (without OcuSync Directional Antennas)
D-RTK 3 Relay Fixed Deployment Version: 163 mm × 344 mm

WeightD-RTK 3 Multifunctional Station: Approx. 1.26 kg (2.78 lbs)
D-RTK 3 Relay Fixed Deployment Version: Approx. 2.24 kg (4.94 lbs)

Tutorial Videos

D-RTK 3 Multifunctional Station | First Use

D-RTK 3 Multifunctional Station | Using D-RTK 3 Base Station Mode & Relay Station Mode

D-RTK 3 Multifunctional Station | Using D-RTK 3 Rover Station Mode

D-RTK 3 Relay Fixed Deployment | Site Evaluation

D-RTK 3 Relay Fixed Deployment | Deployment and Installation

FAQ

Product Function

Broadcast Mode

Rover Station Mode

Relay Station Mode

Product Function

What modes does the D-RTK 3 Multifunctional Station support? What are their functions?

Broadcast Mode (Green Light): Used to provide accurate data for centimeter-level positioning to improve operation precision for multiple DJI aircraft simultaneously.
Relay Station Mode* (Blue Light): After connecting to the specified compatible DJI aircraft and remote controller, installed at a high place and used as a communication relay to avoid signal blockage during operation.
Rover Station Mode (Yellow Light): Used as a handheld mapping device for measuring control points.

^{* This feature is unavailable in countries or regions without 5GHz frequency support. Check local laws and regulations for more information.}

How do I activate the D-RTK 3 Multifunctional Station? What activation methods are available?

Relay Station Mode and Broadcast Mode can be activated using DJI Pilot 2. If the remote controller firmware hasn't been updated, you can activate these modes via DJI Assistant 2 (Enterprise Series).

What coordinate systems does the D-RTK 3 Multifunctional Station support?

By default, the Relay Station Mode and Broadcast Mode use the WGS84 coordinate system.
The Rover Station Mode provides latitude, longitude, and altitude by default, with the coordinate system being determined by the RTK source used. You can use the built-in coordinate conversion feature in the DJI Enterprise app to convert these coordinates into standard projection formats.

What are the dimensions of the D-RTK 3 Multifunctional Station Self-locking Survey Pole and Dual-lock Tripod?

The Self-locking Survey Pole has a diameter of 32 millimeters and a length ranging from 1.25 meters to 2 meters. The Dual-lock Tripod has a height of 92 millimeters.

Can raw satellite observation data from the D-RTK 3 Multifunctional Station be imported into DJI Terra for PPK processing?

Yes, it is supported in DJI Terra version 4.4.0 and above.

What are the differences between the D-RTK 3 Multifunctional Station and the D-RTK 3 AG?

The D-RTK 3 Multifunctional Station supports Relay Station Mode, Broadcast Mode, and Rover Station Mode and is compatible with multiple device models*. The D-RTK 3 AG only supports Broadcast Mode and is compatible with a limited number of device models.

^{* Refer to the product page on the official website for specific supported models.}

What is the size of the Survey Pole interface on the D-RTK 3 Multifunctional Station?

5/8”11 UNC Thread Hole.

How many apps/aircrafts can the D-RTK 3 Multifunctional Station connect with simultaneously?

1. It can connect with multiple DJI aircraft in Broadcast Mode.
2. It can only connect with one remote controller and its paired aircraft in Relay Mode.
3. It can only pair with one mobile device via Bluetooth in Rover Mode.

What is the position information sampling frequency of the D-RTK 3 Multifunctional Station?

The position output frequency is 1 Hz when in Broadcast Mode and Relay Station Mode.

What is the purpose of the reserved port on the D-RTK 3 Multifunctional Station?

The reserved port currently does not support any additional functions and is not detachable. Please do not attempt to open it, as this may affect the warranty.

Which frequency bands of the BeiDou B2b and Galileo E6 are supported by D-RTK 3 Multifunctional Station? In which scenarios can they be utilized?

The B2b and E6 are frequency bands defined by international standards used for satellite signal transmissions. Currently, BeiDou, Galileo, and GPS use B2b and E6 to carry satellite-based differential information. These signals enable high-precision PPP positioning without the need for a network, enhancing positioning accuracy when used independently.

^{Software support for parsing (is this pairing?) the Galileo E6 frequency band will be available in future versions.}

What is the purpose of the small hole at the bottom of the D-RTK 3 Multifunctional Station? Does it affect the station's protection capability?

The small hole is for the buzzer and does not affect the station's protection capability.

How can I check the battery level of the D-RTK 3 Multifunctional Station?

1. Check the device's battery indicator lights.
2. View the battery level and satellite information at the bottom of the RTK settings when in Broadcast Mode.
3. Connect to DJI Enterprise app to view battery level and satellite information when in Relay Station Mode.
4. You can check the battery information in the flight interface status bar and in the RTK settings at the bottom when in Relay Station Mode.

How do I install and remove the D-RTK 3 Multifunctional Station OcuSync Orientation Antennas? What tools are needed, and what is the recommended torque for installation?

Use a 13mm open-ended wrench for installing and removing the antennas. It is recommended to tighten it with a torque of 15 kgf.

How do I switch the working modes of the D-RTK 3 Multifunctional Station?

1. Press the power button three times.
2. Connect to the remote controller via a USB-C cable and switch modes in the DJI Pilot app.
3. Using DJI Assistant 2 (Enterprise Series).

Broadcast Mode

How does the D-RTK 3 Multifunctional Station connect to an aircraft in Broadcast Mode? Will I need to manually reconnect it for the next use?

Access the RTK settings page on your aircraft and select "D-RTK Base Station" as the RTK source. Then, choose the desired D-RTK device from the scanned list to connect. For future uses, the aircraft and remote controller will automatically connect once powered on. If the connection is not established automatically, you can manually trigger it in the settings.

How do I set coordinate points in Broadcast Mode for the D-RTK 3 Multifunctional Station?

You can set coordinate points by accessing the Coordinate Calibration section within the RTK settings. The base station's coordinate points can be established through Network RTK calibration, PPP calibration, or manual calibration.

What should I do if I forget the administrator password for D-RTK 3 Multifunctional Station in Broadcast Mode?

Press and hold the power button for 10 seconds to reset to the default password "123456".

Can the station be moved when using the D-RTK 3 Multifunctional Station as a Base Station?

No, the D-RTK 3 Multifunctional Station will monitor its current position for any movement. If movement is detected, a displacement warning will appear in the app, and the flight mission will be terminated, requiring the user to return and manually land the drone. The system will only resume normal operation once the D-RTK 3 Multifunctional Station updates its position.

How should the D-RTK 3 Multifunctional Station be set up as a Base Station, and what precautions should be taken?

Set it up in an open, unobstructed area where the antenna can effectively cover the measurement and takeoff areas. When using the survey pole for installation and elevation, be mindful of the surrounding environment to prevent toppling or electrical hazards.

When are the D-RTK 3 Multifunctional Station satellite raw observation files generated, and how can they be exported?

A satellite raw observation file is generated each time the device is powered on and off in Relay Station Mode or Broadcast Mode. To export the files, connect the device to a computer, and copy the DAT files corresponding to the task timing from the removable disk that appears. These files can then be processed using DJI Terra.

Rover Station Mode

How do I connect the D-RTK 3 Multifunctional Station in Rover Station Mode to a network RTK signal?

In the DJI Enterprise app settings, enter the NTRIP configuration information provided by your network RTK service provider to connect to the network RTK.

How can I export the control point data in Rover Station Mode of the D-RTK 3 Multifunctional Station?

In the DJI Enterprise app, select the "Mission Library," then choose "Export" to export control points compatible with DJI Terra in JSON format and control point results in CSV format.

How do I use the Tilt Compensation feature on the D-RTK 3 Multifunctional Station?

In the DJI Enterprise app, tap the Tilt Compensation icon and follow the app instructions to complete the shaking and inertial navigation calibration to enable Tilt Compensation.

How is the base station height calculated in Rover Station Mode for the D-RTK 3 Multifunctional Station?

The DJI Enterprise app has built-in parameters for this purpose. You only need to enter the pole height directly when using the app. If you are using a third-party surveying pole without a pole height marker, the pole height is calculated from the bottom tip of the pole to the nut joint after the pole is screwed into the main unit (excluding the part screwed into the nut).

How is the base station height calculated in Rover Station Mode for the D-RTK 3 Multifunctional Station?

Input the survey rod height in the DJI Enterprise app, and the app will automatically calcuate the central height.

How is the Tilt Compensation feature implemented in Rover Station mode of the D-RTK 3 Multifunctional Station? What scenarios does it support?

The Tilt Compensation feature is implemented using the device's built-in IMU sensors, which determine the current tilt angle of the device. The actual position of the pole's pointing is determined through trigonometric calculations. This feature supports marking points in locations such as corners of walls, roadsides, and utility poles, where upright point marking is difficult or inconvenient, allowing for tilted point marking.

Will not installing the OcuSync Orientation Antennas affect the Rover Station when measuring control points with the D-RTK 3 Multifunctional Station?

You can operate the Rover Station without the OcuSync Orientation Antennas installed. However, prolonged removal may compromise the waterproof integrity of the antenna interfaces. Therefore, it is advisable to remove them only if absolutely necessary.

What data format does the D-RTK 3 Multifunctional Station generate in Rover Station mode? How can it be imported into DJI Terra with one click?

The control point and checkpoint data exported from the DJI Enterprise app are in JSON format. When using DJI Terra's ground control point management feature, you can import this data as control points and checkpoints with a single click, without needing to select a format.

Relay Station Mode

How does the D-RTK 3 Multifunctional Station connect to an aircraft in Relay Station Mode?

1. Turn on the remote controller and aircraft, and ensure they have completed pairing. On the home screen of the DJI Pilot 2 app, tap the relay pairing button, and select "Connect Relay Device" to enter pairing mode.
2. Press and hold the power button on the D-RTK 3 Multifunctional Station for 5 seconds to enter the linking mode, during which the mode indicator will flash.
3. After Once the D-RTK 3 Multifunctional Station links with the remote controller and the aircraft, the mode indicator will display a solid blue light.

What should I pay attention to when using the D-RTK 3 Multifunctional Station in Relay Station Mode?

To ensure good image transmission relay performance, please set up the D-RTK 3 Multifunctional Station at a high location, such as on a rooftop, whenever possible. If you want to use the relay RTK function, the D-RTK 3 Multifunctional Station must be fixed in place, and its top needs to be unobstructed.

In which countries or regions is the D-RTK 3 Multifunctional Station Relay Station Mode not supported?

Relay Station Mode is unavailable in countries or regions without 5GHz frequency support, such as Japan, Russia, and Kazakhstan. Only the Base Station and Rover Station modes are supported in the aformentioned countries. In Relay Station Mode, if a previously paired drone remote controller and relay station are brought to Japan for use, the remote controller and drone will not be able to connect with the relay station. Additionally, if you attempt to pair the remote controller with the relay station in Japan, the pairing will fail.

How can a paired remote controller be reconnected to a new drone while in Relay Station Mode on the D-RTK 3 Multifunctional Station?

1. Pair a new aircraft while the relay station is powered on.
2. If the relay station is powered on after pairing the new drone, you can restart the drone or the remote controller, and then pair it with the relay station again to establish a connection among all three devices.

How do I activate the D-RTK 3 Multifunctional Station?

Frequency pairing is only required in Relay Station Mode. In Relay Station Mode, select the relay station pairing option on the remote controller, then press and hold the D-RTK 3 Multifunctional Station power button for 5 seconds to enter pairing mode.

What is the connection logic for the D-RTK 3 Multifunctional Station in Relay Station Mode?

In Relay Station Mode, the station connects simultaneously to both the remote controller and the aircraft, while the remote controller also maintains a signal connection with the aircraft. The aircraft will switch its signal connection method during flight based on the actual flight environment. The remote controller's flight interface will only display the integrated signal.

What are the practical applications of the D-RTK 3 Multifunctional Station in Relay Station Mode?

Relay Station Mode can be used when obstructions in the aircraft's takeoff area affect communication between the aircraft and the remote controller. Placing the Relay Station at a high point in an area can bypass obstructions, extending the signal control range. The Relay Station can be set up in unfavorable on-site environments, allowing the pilot to operate the remote controller from a shaded location, indoors, or inside a vehicle.

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Specs

GNSS Receiver

Video Transmission

Electrical Properties

Physical Characteristics

Tutorial Videos

D-RTK 3 Multifunctional Station | First Use

D-RTK 3 Multifunctional Station | Using D-RTK 3 Base Station Mode & Relay Station Mode

D-RTK 3 Multifunctional Station | Using D-RTK 3 Rover Station Mode

D-RTK 3 Relay Fixed Deployment | Site Evaluation

D-RTK 3 Relay Fixed Deployment | Deployment and Installation

FAQ

Product Function

Broadcast Mode

Rover Station Mode

Relay Station Mode

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