![]() A custom-engineered lens made up of eight elements is arranged in seven groups. Gimbal Camera with 1″ CMOS Sensor The onboard camera features a first for the Phantom line: a 1-inch, 20-megapixel CMOS sensor. With a strong enough signal, this gives you the opportunity to map large jobsites. OcuSync for Large Site Mapping The included remote controller with display utilizes DJI’s OcuSync transmission technology to stream HD images and video up to 7 km away. Other features include a strong wind alarm, the ability to directly load KML area files for in-office flight planning, and the ability to use the shutter priority mode for keeping the exposure of your images consistent. With these modes, pilots can select a flight plan while adjusting the overlap rate, altitude, speed, camera parameters, and more. GS RTK App With the Phantom 4 RTK, you get the standard flight modes and abilities of a Phantom 4 quadcopter, plus mapping-specific Photogrammetry and Waypoint Flight modes in the GS RTK app. The controller can also connect to the internet for Network RTK with the addition of an (optional) 4G dongle. It’s pre-loaded with the GS RTK App, includes a microSD card slot, built-in speaker, and hot-swappable batteries. Phantom 4 RTK Controller The included controller with display is specifically designed for industrial users. These optimizations give each photo the most accurate metadata possible. It continually aligns the flight controller, camera, and RTK module, as well as fixing the positioning data to the center of the CMOS. TimeSync The TimeSync system is engineered to help ensure the Phantom 4 RTK’s ability to achieve centimeter-level accuracy. ![]() The RTK receiver can also be connected to the included D-RTK2 Mobile Station, NTRIP (Network Transport of RTCM via Internet Protocol), or it can store its data to be used in PPK (Post Processed Kinematics) after the flight. With the Phantom 4 RTK, you can achieve 1cm+1ppm RTK horizontal positioning accuracy, 1.5cm+1ppm RTK vertical positioning accuracy, and 5cm absolute horizontal accuracy of photogrammetric models (when flying at 100m high, 2.7cm GSD, on a sunny day. Mapping Technology RTK + GNSS for Centimeter Accuracy The RTK receiver and GNSS module work together to provide flight stability along with centimeter-level mapping accuracy on image metadata. Combine it all and you have an enterprise-level mapping solution that can be used right out of the box. When mapping, pilots can utilize the Photogrammetry and Waypoint Flight modes in the GS RTK app, which give mapping-specific functionality, such as selecting flight paths and directly loading KML area files. The Mobile Station can access GPS and GLONASS to provide real-time differential data and can communicate that via OcuSync, 4G, Wi-Fi, or LAN. The Phantom 4 RTK can perform mapping duties in real-time, but this bundle also includes a separate D-RTK 2 GNSS Mobile Station to help compensate for locations where the Phantom 4 experiences poor or no signal. They are added to the metadata of all captured images, allowing for accurate post-processing that account for the distortions. The camera is the same one that’s on a standard Phantom 4, but with the Phantom 4 RTK, each camera has its radial and tangential lens distortions measured. In addition to the RTK receiver and GNSS module, the Phantom 4 RTK can achieve such accuracy thanks to DJI’s TimeSync system and the gimbal camera’s calibration process. Utilizing an RTK receiver on the top of Phantom 4, and a built-in GNSS module, the Phantom 4 RTK can achieve 1cm+1ppm RTK horizontal and 1.5cm+1ppm RTK vertical positioning accuracy. The Phantom 4 RTK Quadcopter with D-RTK 2 GNSS Mobile Station Combo from DJI is a Phantom 4 quadcopter with additional technology that is designed to deliver centimeter-level accurate mapping that can be extremely useful for surveying, construction sites, and inspections.
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