Survey Pro Combo

Survey Pro Combo


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The Survey Pro Combo is designed to provide professional surveyors with centimetre-accurate results on-the-move.

What’s Included?

  • DJI Phantom 4 RTK x 1
  • D-RTK 2 GNSS Mobile Station x 1
  • DJI Phantom 4 Intelligent Flight Battery x 2
  • HPRC 2700W-01 Case for Phantom 4 RTK x 1
  • FREE Flight Safety Kit x 1
  • FREE Drone Surveying eCourse x 1

Save £668 off RRP

DJI Phantom 4 RTK

The Phantom 4 RTK is DJI’s latest Enterprise drone – a platform designed to change the game for construction and building surveyors across multiple commercial applications.

The D-RTK 2 Mobile Station can be seamlessly connected with the fully-integrated Phantom 4 RTK system to achieve centimetre-accurate results in mapping areas with poor mobile network coverage, using OcuSync 2.0 transmission system. The GNSS receiver supports multiple GPS systems to provide real-time data.

Key Features

  • RTK Module
  • 1” CMOS Sensor
  • GS RTK App
  • TimeSync
  • OcuSync
  • D-RTK 2 GNSS Mobile Station
  • Mobile SDK Supported

With a brand-new RTK module fitted into the top of the drone, the built-in centimetre-level navigation and positioning system can provide real-time data with 3cm accuracy. Paired with a redundant GNSS module, it is able to gain accurate results from stabilised flight even in areas with weak mobile network coverage. The D-RTK 2 mobile station can be also connected with this fully-integrated system, to achieve even more accurate results in areas with poor mobile network coverage.

Setting up ground control points can become a thing of the past, with only 0-5 GCPs required when deploying the Phantom 4 RTK. Without GCPs, the achievable horizontal accuracy is up to 3cm and vertical accuracy up to 5cm.

Although featuring the same 1-inch, 20MP CMOS sensor as the Phantom 4 Pro, the Phantom 4 RTK camera allows the operator to produce the original imagery minus distortion correction, providing more precise images for post-processing. Mapping accuracy meets the requirements of the ASPRS Accuracy Standards for Digital Orthophotos Class III.

The new TimeSync system works to simultaneously align the flight controller, camera and RTK module, whilst matching the positioning data to the centre of the 1-inch CMOS sensor. The Phantom 4 RTK will fly across complex terrain from a specified static height and has the ability to do so turning through the pre-set route at a consistent speed. The operator also has the ability to select and amend the flight path, at the same time adjusting altitude, speed, overlap rate and camera settings (to name a few!) – making drone mapping easier and more efficient than ever before.

All of this can be achieved within an extended battery life of 30 minutes, allowing the operator to map large areas per flight. Should the batteries require replacing/recharging during a flight, afterward the flight mission is automatically resumed due to the Operation Resumption function of the GS RTK App.

When processing the captured data, images can be used to create multiple industry-acceptable deliverables, including; point cloud classification, vectorisation, BIM (building information modelling), and volume/mass calculation.


  • High-precision Mapping
  • Industrial Surveying
  • Construction & Building, Infrastructure and more.
  • Professional Photography

Online Drone Surveying Course

Enter the next-gen digital learning solution for drone surveying and 3D mapping to start generating revenue from your drone data, with the Drone Surveying Certified eLearning Course. From digital photogrammetry to aerial data capture, processing, extraction and accuracy, the Drone Surveying eLearning course will teach you to confidently plan and perform efficient drone surveys

The Drone Surveying online course is ideal for:

  • Commercial Drone Pilots
  • Professional Surveyors
  • Roofing Contractors
  • Building Contractors

Who want to:

  • Expand your knowledge base and skill set
  • Increase your employability with drone surveying
  • Generate revenue from aerial data
  • Take your career to the next level and boost your business

DroneMAP eCourse Timeline

Technical Support

Browse our product support, tips & tutorials for DJI Phantom 4 RTK and D-RTK 2 Mobile Station.

Dimensions Diagonal Distance 350 mm
Speed A-mode: 36 mph (58 kph) | P-mode: 31 mph (50 kph)
Control Range 7 KM
Max Flight Time Approx. 30 minutes
Takeoff Weight 1391 g
Battery LiPo 4S
Operating Temperature Range 32° to 104°F (0° to 40°C)
Satellite Positioning Systems GPS + GLONASS + Galileo*(*available soon)
Propeller type Phantom 4 Series Low-Noise Propellers
Flight controller model name RC with Screen (5.5
Other DJI Products Supported D-RTK 2 Mobile Station
Sensor 1
Lens FOV 84°;8.8 mm / 24 mm(35 mm format equivalent:24 mm);
f/2.8 - f/11, auto focus at 1 m - ∞
FOV Forward/Rear: 60° (horizontal), ±27° (vertical) Downward: 70° (front and rear), 50° (left and right)
Photo Formats JPEG
Video Formats MOV
Electronic Shutter Speed 8 - 1/8000 s
Remote Controller
Operating Frequency 2.400 GHz-2.483 GHz(Europe,Japan,Korea)
EIRP 2.4 GHz CE / MIC / KCC:< 20 dBm


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DJI Phantom 4 RTK

How does the Phantom 4 RTK differ from previous Phantom Series products?
While previous Phantom series drones were built around professional photographers and hobbyists, the Phantom 4 RTK was designed for industrial users for high-precision mapping and other data acquisition missions. While the Phantom 4 RTK shares a similar camera and form size, it also adds a RTK positioning module, a new TimeSync system, a purpose-built mapping app and more.
What propellers does the Phantom 4 RTK use?
The Phantom 4 RTK uses the same 9450s Quick Release Propellers as the Phantom 4 Pro.
Can I fly the Phantom 4 RTK in other countries or regions?
No, the Phantom 4 RTK has specific versions for different countries and/or regions. Users can check the version code on the product packaging or through the GS RTK app (go to Aircraft Information -> Firmware).
What is the difference between the Phantom 4 RTK’s camera and the camera on the Phantom 4 Advanced/Pro?
While the Phantom 4 RTK and Phantom 4 Pro/Advanced share the same 1-inch, 20 megapixel CMOS sensor, the Phantom 4 RTK has improved the capabilities of the camera for mapping through a new lens distortion recording process. Each Phantom 4 RTK camera goes through a calibration process that measures the distortions of the lens, and records the corresponding undistort parameters. The camera allows users to output the original images without distortion correction as well as the undistort parameters in the XMP file for post-processing
Can the ND filter of the Phantom 4 Pro be used on the Phantom 4 RTK?

Yes, the ND filters made for the Phantom 4 Pro can also be used for the Phantom 4 RTK.

Does the Phantom 4 RTK camera digital signal processor (DSP) support distortion correction?
No, you can enable the distortion correction in the camera but the images will be less precise compared to distortion elimination in post-processing software.
How is the Phantom 4 RTK camera calibrated?
Each Phantom 4 RTK camera goes through a calibration process that measures the distortions of the lens, and records the corresponding undistort parameters in XMP DewarpData. When the “distortion correction” is switched off, the original image with distortion will be generated. When the “distortion correction” is switched on, the parameters used to eliminate distortion is not the parameters calibrated, but the design parameters of the camera. When eliminating the distortions, it is not done pixel by pixel.
What are the highlight features for the standard remote controller of the Phantom 4 RTK?
1.Built-in 5.5-inch display, 1080P, up to 1000 nits brightness. You can see the screen in strong sunlight. The controller can work in low temperatures.
2.Supports hot swappable batteries.
3.Pre-installed GS RTK App can run Photogrammetry, Waypoint and other mission types.
4.OcuSync video transmission.
How can I switch between FCC and CE modes?
FCC and CE mode switching is not available.
Can I connect the Phantom 4 RTK to other Phantom series controllers?
Can I continue my automated mapping mission if the Phantom 4 RTK loses video transmission signal during its mission?
Yes, if the video transmission signal is lost, you can reconnect and continue the mapping mission.
Can I use my Phantom 4 Pro batteries with the Phantom 4 RTK and vice versa?
Yes, the Phantom 4 RTK and Pro batteries are cross compatible and have the same capacity, meaning flight time won’t be effected.
How long does it take to fully charge a Phantom 4 RTK battery?
It takes roughly 60 minutes to fully charge a Phantom 4 RTK battery.
What options do I have to reference the positioning data from the Phantom 4 RTK?
1. Connect locally via OcuSync to your D-RTK 2 Mobile Station. (RTCM3.2)
2. Connect remotely via a 4G Dongle to a custom RTK network using a NTRIP account.(RTCM3.2)
3. Connect remotely via a WiFi hotspot to a custom RTK network using a NTRIP account. Not available in Europe.(RTCM3.0/RTCM3.1/RTCM3.2)
What positioning accuracy can the Phantom 4 RTK achieve?
The Phantom 4 RTK can achieve 1 cm+1 ppm (horizontal), 1.5 cm + 1 ppm (vertical) accurate data.
What is TimeSync and how does it ensure the positioning accuracy of each image taken on the Phantom 4 RTK?
TimeSync continually aligns the flight controller, camera and RTK module, then adjusts the positioning data to the center of the CMOS and records the data in EXIF and XMP format.
What apps have mapping or inspection function?
Users can use the pre-installed GS RTK app for mapping or inspection missions. Additionally, users can install apps built on DJI’s Mobile SDK.
What mapping platform is being used to provide map data to the Phantom 4 RTK app?
Mapbox is used to provide map data to the GS RTK app.
What formats of differential data does the Phantom 4 RTK support?
Currently the Phantom 4 RTK supports RTCM 3.0 data, RTCM 3.1 data, MSM4,MSM5, MSM6 and MSM7 data under RTCM3.2.
Are the coordinates measured by the Phantom 4 RTK relative coordinates or absolute coordinates?
The coordinates measured by the Phantom 4 RTK are absolute coordinates under WGS84.
How do I calculate an appropriate flight altitude based on a GSD value?
You can refer to the equation H=36*GSD to estimate an appropriate flight altitude. Please note that GSD ground sampling distance in this equation is measured by centimeters, while H (Height or flight altitude) is measured by meters. For example, GSD=2.74 cm, when altitude=100 m.
Do images captured by the Phantom 4 RTK store altitude any information? If so, how is this data stored?
Elevation and relative altitude (relative to your takeoff point) are stored in photos captured by the Phantom 4 RTK. Absolute altitude can be used for mapping, and relative altitude can be found in the XMP file.
How can I capture oblique photography when using the Phantom 4 RTK?
Oblique imagery can be captured while flying in the Photogrammetry mode on the GS RTK app. In the Photogrammetry mode, you can adjust gimbal angle from -90 °to -45° under Camera Settings for your flight plan.You can only set one gimbal angle value at a time, so for sites where you want to capture multiple angles you can plan the same mission and just adjust the camera angle.
Can I create a 3D model or point cloud with third-party software using the images captured by the Phantom 4 RTK? If yes, what is the accuracy of the model created?
Yes, you can use third-party software to process Phantom 4 RTK image data and create models, however the accuracy will vary based on the photogrammetric algorithm used. Please refer to the third-party software provider for more information on expected accuracy.
When there are no Ground Control Points (GCPs), what is the accuracy of the model that the Phantom 4 RTK data can make? Can the accuracy meet the requirements of 1:500 scale aerial triangulation?
The orthoimages created with the images captured by the Phanton 4 RTK and select reconstruction software have shown an absolute accuracy of roughly 5 cm, while the accuracy required in 1:500 scale aerial triangulation is less than 30 cm. This means the Phantom 4 RTK’s accuracy meets the requirements of 1:500 scale aerial maps.
Is the Phantom 4 RTK compatible with third-party base stations?
No, you cannot connect third-party base stations to the Phantom 4 RTK or the remote controller via a radio station. However, you can obtain data from a network RTK server via Ntrip protocol in 4G/Wi-Fi network environment. Satellite observation data can also be saved in the aircraft for users to conduct post processed kinematics (PPK) to complete their tasks.

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