MIDIC
lvl.2
Germany
Offline
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Hi surveyors,
here is an answer from the german DJI-Support (translated via Google):
"Thank you for contacting DJI Technical Support.
We are sorry to hear about the Phantom 4 RTK connection issue.
Due to hardware limitations (wifi uses the same frequency as occusync via the remote control connection) the p4rtk remote control can either be connected to the internet/hotspot - or connect to the drone.
Both at the same time is unfortunately not possible without a dongle.
Unfortunately, Bluetooth tethering is not available. After consultation with our product engineers, usb tethering is listed in the system settings, but it cannot be used to transmit/share an Internet connection via the usb a and c port.
Please use the supplied white zte dongle with SIM card to establish an internet connection, e.g. B. for network RTK. A backup Internet connection without using the dongle is unfortunately not possible for the Phantom 4 rtk."
This were my questions:
• How can an external network connection be transferred to the remote control? As a backup or poor reception in the field, this feature is very important. However, all attempts to establish a connection have so far failed.
• Bluetooth tethering: the remote control doesn't seem to have a BT function?
• USB tethering: the connection from the smartphone via cable to the USB-C port on the remote works, but there is no network connection. The connection to the normal USB port in the dongle compartment works, but the remote control is only recognized as a mass storage device - data transmission is apparently not possible in this way (although the dongle is usually located there and transmits data?)
• A WiFi hotspot can be set up, but then no connection to the drone is possible at the same time, since the WiFi of the remote has to be switched off for this?! This option should normally work, at least that's what is reported on various DJI forums.
• The function to use a WiFi hotspot would also be useful to operate an RTK base station.
• So what option is there to transmit an external data stream to the remote control while there is a radio connection to the drone?
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