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DJI Phantom 4 Pro V2.0 Remote Controller Signal Weak
2811 20 2018-6-12
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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Hello!

I was testing today on an open field the range/quality of transmission DJI Phantom 4 Pro V2.0.
After 700m I started to get Remote Controller Signal Weak.
I put a table with the distance, height and seconds in the video where the Remote Controller Signal Weak error appear.

D  745m - H 16m (01:08)
D  998m - H 25m (01:32)
D 1057m - H 41m (01:40)
D 1075m - H 50m (01:45)
D 1072m - H 71m (01:51)
D  972m - H 72m (02:04)
D  908m - H 72m (02:09)
D  828m - H 72m (02:17)
D  689m - H 72m (02:32)


Any ideeas why the Remote Controller Signal Weak error appears in a nice open field?


2018-6-12
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Jenee 2
Captain
Flight distance : 7852129 ft
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I assume you had the RC aerials extended correctly?
Is this happening on every flight? If it is then you may need to contact support as that should not happen.
2018-6-12
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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Jenee 2 Posted at 2018-6-12 22:32
I assume you had the RC aerials extended correctly?
Is this happening on every flight? If it is then you may need to contact support as that should not happen.

I have the aerials extended correctly, yes. I only have three flights with it but the error appears in all the flights, yes.
2018-6-12
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Jenee 2
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RemusK Posted at 2018-6-12 22:36
I have the aerials extended correctly, yes. I only have three flights with it but the error appears in all the flights, yes.

Well I think you need to contact support as it is either a component in the drone or the RC that may be faulty.
2018-6-12
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Geebax
Captain
Australia
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The 'nice open field' means nothing. The message also does not tell the real story. It does not mean that the Remote Control is putting out a weak signal, it is really saying that the aircraft is getting a weak reception from the RC unit, they are not the same thing.

The first time that error appeared on the screen, the aircraft was closer to the building in the middle of frame than it was to the RC unit, and those buildings may have been a source of strong WiFi signals.



2018-6-12
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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Geebax Posted at 2018-6-12 23:00
The 'nice open field' means nothing. The message also does not tell the real story. It does not mean that the Remote Control is putting out a weak signal, it is really saying that the aircraft is getting a weak reception from the RC unit, they are not the same thing.

The first time that error appeared on the screen, the aircraft was closer to the building in the middle of frame than it was to the RC unit, and those buildings may have been a source of strong WiFi signals.

In my case there where no buildings, only the cars passing by that may have wifi.
2018-6-13
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Eric13
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Flight distance : 7061053 ft
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RemusK Posted at 2018-6-13 11:16
In my case there where no buildings, only the cars passing by that may have wifi.

Was the channel set to 2.4 or 5.8?
In CE region 5.8. is crap distance wise. I get comparable distances when I fly my P4P v1 at 5.8.
With 2.4 and antenna mod I can fly further than the battery will make ;-)
2018-6-13
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Geebax
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Australia
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RemusK Posted at 2018-6-13 11:16
In my case there where no buildings, only the cars passing by that may have wifi.

at 1:52 there are a number of large buildings very close to you. I don't know what is in that building, but it very well may have had WiFi routers all though it. And each one has the same permitted power output as your RC unit.
2018-6-13
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BKendrew
Second Officer
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Were you using the RE goggles?  I found out on my V2 if I connect them to the V2 my controller range is cut by about 2/3rds. I confirmed this several times. When I use the same goggles on my MavicPro the do not effect the range nearly as much, maybe 1/10th.
2018-6-13
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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BKendrew Posted at 2018-6-13 17:01
Were you using the RE goggles?  I found out on my V2 if I connect them to the V2 my controller range is cut by about 2/3rds. I confirmed this several times. When I use the same goggles on my MavicPro the do not effect the range nearly as much, maybe 1/10th.

No googles, only my cellphone on my RC
2018-6-13
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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Eric13 Posted at 2018-6-13 11:28
Was the channel set to 2.4 or 5.8?
In CE region 5.8. is crap distance wise. I get comparable distances when I fly my P4P v1 at 5.8.
With 2.4 and antenna mod I can fly further than the battery will make ;-)

I never checked what channel I was on. I guess the default values is Auto.
2018-6-13
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Bashy
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Flight distance : 549140 ft
United Kingdom
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my standard p4p is pooh in CE on 5.8, really poo, deffo try it on 2.4
2018-6-13
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iamjustjohn
Second Officer
Flight distance : 699367 ft
United States
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Fellow P4P V2 owner here and I’ve only had this message a couple of times. Both times I believe it could be contributed to WiFi signals between me with the controller and drone.  I thought the band selection should be set to auto but maybe I should change this?
2018-6-13
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luciens
Second Officer
United States
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Can you manually assign channels? If so, this sounds very reminiscent of a similar problem in the Ocusync air unit/RE goggles combo. It has a problem with very poor range, a lot like what's in your video, when the frequency selection is set to "Auto". However, the range is restored when you manually assign a channel on either 2.4 or 5.8.

Maybe the 2.0 P4P inherited the same problem . But even if not, it's worth a try if that's possible in the V2.0 software...
2018-6-13
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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I cannot assign channel for RC. I guess it is working only on 2.4. The video transmission is working on Auto. I flew today again, a little better, but still got transmission weak after 900 m.
2018-6-13
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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The transmission got bad today first after I started to  turn the drone around (950m from me). No issues before (when flying with the aicraft towards).
2018-6-13
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RemusK
Second Officer
Flight distance : 1145869 ft
Sweden
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Any thoughts from DJI about this issue? What can be the source of signal loss?
2018-6-15
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Radikaltech
lvl.2
Flight distance : 1161217 ft
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I just got the same problem, didn't even reach 400ft away from the controller any updates on this case?
2018-7-9
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Jebtir
lvl.4
Flight distance : 31929 ft
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Brazil
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I'm in the same trouble. I've been down a signal for less than six feet. I've already tested it with the other radio and it's still the same thing. The problem is on the aircraft. So, DJI, how's this situation? 0 support to your customers!
6-15 21:04
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djiuser_KmlTwPX4NkL2
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Nepal
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same problem
i am not able to connect ,my drone
remote controll signal is so weak
8-1 00:45
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Thetaomegamuάsigmaf Alphakapparhoiot
lvl.1

Greece
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my drone is ph4 pro v2!...i have problem with signal.....in 2khm have lost...why........??i have the last firmware!
8-9 13:38
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