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Upgrade your next mapping mission with the Phantom 4 RTK – DJI's most compact and accurate low altitude mapping solution.
Next Generation Mapping
DJI has rethought its drone technology from the ground-up, revolutionizing its systems to achieve a new standard for drone accuracy – offering Phantom 4 RTK customers centimeter-accurate data while requiring fewer ground control points.
Centimeter Level Positioning System
A new RTK module is integrated directly into the Phantom 4 RTK, providing real-time, centimeter-level positioning data for improved absolute accuracy on image metadata. Sitting just beneath the RTK receiver is a redundant GNSS module, installed to maintain flight stability in signal-poor regions such as dense cities. Combining both modules, the Phantom 4 RTK is able to optimize flight safety while ensuring the most precise data is captured for complex surveying, mapping and inspection workflows.
Fit the Phantom 4 RTK to any workflow, with the ability to connect this positioning system to the D-RTK 2 Mobile Station, NTRIP (Network Transport of RTCM via Internet Protocol) using a 4G dongle or WiFi hotspot, or store the satellite observation data to be used for Post Processed Kinematics (PPK).
Gather Accurate Data with TimeSync
To take full advantage of the Phantom 4 RTK’s positioning modules, the new TimeSync system was created to continually align the flight controller,camera and RTK module. Additionally, TimeSync ensures each photo uses the most accurate metadata and fixes the positioning data to the center ofthe CMOS – optimizing the results from photogrammetric methods and letting the image achieve centimeter-level positioning data.
Purpose-Built Flight Planning Application
A new GS RTK app allows pilots to intelligently control their Phantom 4 RTK, with two planning modes – Photogrammetry and Waypoint Flight – alongside a more traditional flight mode. The planning modes let pilots select the drone’s flight path while adjusting overlap rate, altitude, speed, camera parameters and more, offering an automated mapping or inspection workflow.
The GS RTK app has been built with its users in mind and therefore has a range of features built for specific mapping or inspection workflows. The app has implemented direct loading of KML area files for in-office flight planning, a new shutter priority mode to keep exposure consistent across all photos and a strong wind alarm to warn pilots of adverse conditions.
OcuSync Transmission System
Enjoy stable and reliable HD image and video transmission at distances of up to 7 km, great for mapping larger sites.
*Unobstructed, free of interference, when FCC compliant. Maximum flight range specification is a proxy for radio link strength and resilience. Always fly your drone within visual line of sight unless otherwise permitted.
Seamless Compatibility with D-RTK 2 Mobile Station
Support your Phantom 4 RTK missions with the D-RTK 2 Mobile Station – providing real-time differential data to the drone and forming an accurate surveying solution. The Mobile Station’s rugged design and OcuSync 2.0 transmission system ensures you can gain centimeter-level accurate data with your Phantom 4 RTK in any condition.
Max Service Ceiling Above Sea Level
19685 ft (6000 m)
Max Ascent Speed
6 m/s (automatic flight); 5 m/s (manual control)
Max Descent Speed
31 mph (50 kph)(P-mode) 36 mph (58 kph)(A-mode)
Max Filght Time
Approx. 30 minutes
Operating Temperature Range
32° to 104° F (0° to 40℃)
2.400 GHz to 2.483 GHz (Europe, Japan, Korea) 5.725 GHz to 5.850 GHz (United States, China)
The position of the camera center is relative to the phase center of the onboard D-RTK antenna under the aircraft body's axis:(36, 0, and 192 mm) already applied to the image coordinates in Exif data. The positive x, y, and z axes of the aircraft body point to the forward, rightward, and downward of the aircraft, respectively.
Mapping Accuracy **
Mapping accuracy meets the requirements of the ASPRS Accuracy Standards for Digital Orthophotos Class Ⅲ ** The actual accuracy depends on surrounding lighting and patterns, aircraft altitude, mapping software used, and other factors when shooting.
Ground Sample Distance(GSD)
(H/36.5) cm/pixel， H means the aircraft altitude relative to shooting scene (unit: m)
Data Acquisition Efficiency
Max operating area of approx. 1 km² for a single flight(at an altitude of 182 m, i.e., GSD is approx. 5 cm/pixel, meeting the requirements of the ASPRS Accuracy Standards for Digital Orthophotos Class Ⅲ
≤31 mph(50 kph) at 6.6 ft(2 m) above ground with adequate lighting
0-33 ft(0 - 10 m)
0-33 ft(0 - 10 m)
Obstacle Sensing Range
2-98 ft(0.7-30 m)
Forward/Rear: 60° (horizontal), ±27° (vertical) Downward: 70° (front and rear), 50° (left and right)
Forward/Rear：10 Hz; Downward： 20 Hz
Surfaces with clear patterns and adequate lighting(＞ 15 lux)
1" CMOS; Effective pixels: 20M
FOV 84°；8.8 mm / 24 mm(35 mm format equivalent:24 mm)； f/2.8 - f/11, auto focus at 1 m - ∞
Mechanical Shutter Speed
8 - 1/2000 s
Electronic Shutter Speed
8 - 1/8000 s
Max Image Size
Video Recording Modes
Supported File Systems
FAT32（≤ 32 GB）； exFAT（> 32 GB）
Supported SD Cards
MicroSD, Max Capacity: 128 GB. Class 10 or UHS-1 rating required Write speed≥15 MB/s
D-RTK 2 High Precision GNSS Mobile Station (D-RTK 2 Mobile Station) is DJI’s upgraded high-precision GNSS receiver that supports all major global satellite navigation systems, providing real-time differential corrections that generate centimeter-level positioning data for improved relative accuracy.
D-RTK 2 Mobile Station fully supports GPS, GLONASS, Beidou, and GALILEO signals. Easy and quick to set up, the D-RTK 2 Mobile Station provides real-time differential data for drones to achieve centimeter-level positioning accuracy. The built-in high-gain antenna guarantee better signal reception from more satellites even when obstructions are present.
Stay Connected for Any Mission
D-RTK 2 Mobile Station supports communication via 4G, OcuSync, WiFi, and LAN, ensuring uninterrupted, stable data transmission under any application scenario. Up to 5 remote controllers* can be connected to D-RTK 2 Mobile Station simultaneously. This makes coordinated operations involving multiple drones a possibility, significantly improving efficiency.
* MG-1P and Phantom 4 RTK standard remote controllers.
Durability You Can Trust
Featuring IP67 level ingress protection and a lightweight carbon fiber body, the D-RTK 2 Mobile Station is ultra-portable and up for any task, no matter how tough. The built-in IMUs monitor movements and calibrate the tilt sensors to alert the operator of any abnormalities during the mission, minimizing risks.
A Comprehensive Solution
D-RTK 2 Mobile Station is compatible with Phantom 4 RTK and MG-1P RTK. It can be used as a Continuously Operating Reference Station (CORS), which provides high precision positioning data within the cover range of the base station, making it the ideal tool for surveying, aerial inspections, agriculture, and other industrial applications.
Single Point Horizontal：1.5 m(RMS) Vertical：3.0 m(RMS) RTK Horizontal：1 cm+ 1 ppm(RMS) Vertical：2 cm+ 1 ppm(RMS) 1 ppm: For every 1 km increase in distance, the accuracy will be 1 mm less. For example, the horizontal accuracy is 1.1 cm when the receiving end is 1 km away from the base station.
OcuSync: 2 km (unobstructed and free of interference, when the distance from the D-RTK 2 antenna to the bottom of the tripod is 1.8 m, when the difference in height between the remote controller and D-RTK 2 is less than 2 m, and when the remote controller is 1.2 m from ground level)
16.5 to 58.8VDC
Type：Lithium-ion battery Capacity: 4920 mAh Energy: 37.3 WH