Unlike analogue goggles that only receive RF signals, the DJI FPV Goggles also transmit RF signals, at up to 1200mW. I've always wondered what harm this might be doing to your head and others have also asked the same question. It seems that JB has taken it upon himself to explain in the video below, so if you want to know then have a watch.

If you can't be bothered to watch the video then the answer is no. I'm no scientist but it's to do with ionising and non-ionising radiation. RF signals produce the latter which aren't considered dangerous.

Thanks for watching it for us Snow. I saw it posted and thought "click bait - I don't care - won't buy any anyway". But I *was* curious...

Hi Everyone,

I had also concern about frying my brain but seems like we were worried about wrong thing. The non-ionizing radiation is destructive but by completely different mechanisms. It's causing "digital dementia" and early onset of alzheimer.

The published research - very long term and very comprehensive study - is here https://www.news-medical.net/news/202204...sease.aspx . It's very conclusive, pretty scary and there is quite a lot of concern about it on medical channels. The damage done is cumulative and irreversible.

Sorry to be the bearer of bad news. Is there a way to turn off the transmitting on DJI goggles? I just got into FPV 3 months ago, I love it but at the moment I've put it on hold

(03-May-2022, 11:44 PM)TomK Wrote: Is there a way to turn off the transmitting on DJI goggles?  I just got into FPV 3 months ago, I love it but at the moment I've put it on hold

No, because the DJI FPV System is designed around and relies on re-transmission of data which requires a 2-way communication. If you are really bothered then just use the DJI FPV Goggles as a receiver / transmitter and feed the output to a Raspberry Pi running the DigiView or Cosmostreamer app (or to an Axisflying HD Box) and then out of the HDMI port of that into a pair of goggles that have HDMI input support. The DJI FPV Goggles will still be receiving and transmitting data, but not right next to your head. Alternatively set the goggles to 25mW and just do (very) close proximity flying.

TBH, I would like to see more verified independent research evidence which isn't just from a single source before I start putting some trust and belief into things that I read from seemingly random sources on the web.

Interesting article but cell phones have been around for quite some time now, wouldn’t we all have Alzheimer’s by now?
Ps I fully believe in not living under high voltage transmission lines.
I also bought a house that’s not under a cell tower just in case…..

(04-May-2022, 01:25 AM)SnowLeopardFPV Wrote: No, because the DJI FPV System is designed around and relies on re-transmission of data which requires a 2-way communication. If you are really bothered then just use the DJI FPV Goggles as a receiver / transmitter and feed the output to a Raspberry Pi running the DigiView or Cosmostreamer app (or to an Axisflying HD Box) and then out of the HDMI port of that into a pair of goggles that have HDMI input support. The DJI FPV Goggles will still be receiving and transmitting data, but not right next to your head. Alternatively set the goggles to 25mW and just do (very) close proximity flying.

TBH, I would like to see more verified independent research evidence which isn't just from a single source before I start putting some trust and belief into things that I read from seemingly random sources on the web.

Thanks for the answer but moving it few cm from head will have very low impact and the complexity is just not worth it.
and... ehm, single random source? I have to say that sounds pretty condescending and borderline ignorant considering the platform is well respected for medical news. But if you want to do you due diligence instead of jumping to assumptions have a look at National Library of Medicine published articles https://pubmed.ncbi.nlm.nih.gov/35114921/ and look for similar articles. (i went through quite a few papers over the past few days and there is a LOT of reading about the issue)

There is a lot of crazy conspiracy speculations about wifi with plenty of straw man arguments (confusing the action with the action of microwave oven and so on) that detract from real issue. Seems like this is not a new problem and surprisingly this issue is well documented for quite some time. There was a lot of studies before but this one was the biggest one and the longest. Seems like Wifi is the new Lead paint and asbestos insulation.

(04-May-2022, 02:04 AM)Kevin2112 Wrote: Interesting article but cell phones have been around for quite some time now, wouldn’t we all have Alzheimer’s by now?
Ps I fully believe in not living under high voltage transmission lines.
    I also bought a house that’s not under a cell tower just in case…..

There is a huge increase in early onset of Alzheimer / digital dementia and there is quite serious concern about it since 2010 - from what I was able to find on psychologytoday and other platforms. https://www.psychologytoday.com/us/blog/...l-dementia

when I'm going through the medial journals and peer reviewed articles I find it shocking that this is not main talking point in all news.

i went into more reading - and it seems like neuroscientists are completely aware of the problem for at least 50 (fifty!) years.

https://pubmed.ncbi.nlm.nih.gov/26300312/ published in 2015

From the published paper: "Excessive VGCC activity has been shown from genetic polymorphism studies to have roles in producing neuropsychiatric changes in humans. Two U.S. government reports from the 1970s to 1980s provide evidence for many neuropsychiatric effects of non-thermal microwave EMFs, based on occupational exposure studies. 18 more recent epidemiological studies, provide substantial evidence that microwave EMFs from cell/mobile phone base stations, excessive cell/mobile phone usage and from wireless smart meters can each produce similar patterns of neuropsychiatric effects, with several of these studies showing clear dose-response relationships. Lesser evidence from 6 additional studies suggests that short wave, radio station, occupational and digital TV antenna exposures may produce similar neuropsychiatric effects. Among the more commonly reported changes are sleep disturbance/insomnia, headache, depression/depressive symptoms, fatigue/tiredness, dysesthesia, concentration/attention dysfunction, memory changes, dizziness, irritability, loss of appetite/body weight, restlessness/anxiety, nausea, skin burning/tingling/dermographism and EEG changes."

(04-May-2022, 07:27 AM)TomK Wrote: Thanks for the answer but moving it few cm from head will have very low impact and the complexity is just not worth it.
and... ehm, single random source? I have to say that sounds pretty condescending and borderline ignorant considering the platform is well respected for medical news. But if you want to do you due diligence instead of jumping to assumptions have a look at National Library of Medicine published articles https://pubmed.ncbi.nlm.nih.gov/35114921/ and look for similar articles. (i went through quite a few papers over the past few days and there is a LOT of reading about the issue)

There is a lot of crazy conspiracy speculations about wifi with plenty of straw man arguments (confusing the action with the action of microwave oven and so on) that detract from real issue. Seems like this is not a new problem and surprisingly this issue is well documented for quite some time. There was a lot of studies before but this one was the biggest one and the longest. Seems like Wifi is the new Lead paint and asbestos insulation.

I was just trying to offer you some advice. There was nothing condescending meant in my post. I'm not involved in the medical industry and have never heard of that website so to me it's a random link posted by a new member who only just registered yesterday, so you have to understand some of my scepticism. We get a number of posts on here from people who try and spam the forum with links to other websites so there is always an element of suspicion when that happens. I try to keep an open mind and will take on board what you have posted.

As for my suggestion, I wasn't talking about moving the goggles just a few centimetres away from your head. You can use a 5+ metre USB cable between the goggles and whatever HDMI input device you decide to make use of instead which can even be a 55" TV if you like. But for anyone who does have real concerns about the effect of RF radiation then they would probably be best advised to find a different past time because this whole hobby revolves around RF technologies, and while they are at it they should probably also ditch their mobile phones and WiFi / Bluetooth enabled computers.

(04-May-2022, 10:16 AM)SnowLeopardFPV Wrote: I was just trying to offer you some advice. There was nothing condescending meant in my post. I'm not involved in the medical industry and have never heard of that website so to me it's a random link posted by a new member who only just registered yesterday, so you have to understand some of my scepticism. We get a number of posts on here from people who try and spam the forum with links to other websites so there is always an element of suspicion when that happens. I try to keep an open mind and will take on board what you have posted.

As for my suggestion, I wasn't talking about moving the goggles just a few centimetres away from your head. You can use a 5+ metre USB cable between the goggles and whatever HDMI input device you decide to make use of instead which can even be a 55" TV if you like. But for anyone who does have real concerns about the effect of RF radiation then they would probably be best advised to find a different past time because this whole hobby revolves around RF technologies, and while they are at it they should probably also ditch their mobile phones and WiFi / Bluetooth enabled computers.

Fair enough. I do work in tech industry and I do get into some interesting projects so I get used to scientific publishers as the default go to. few days ago was the first time when I came across the issue and it scared the crap out of me (literally)

exposure for me is a concern - big enough to put the hobby onhold for now and big enough to overcome the convenience and my laziness and I did the LAN wiring today (no more wifi in house and business. I will still use my phone but i might be handling it bit differenty and I'll certainly invest into EMF meter to assess more accuratelly what I should worry about and what's acceptable. Nothing is safe but risk and exposure mitigation is the name of the game for me - I already have started getting some of the mentioned symptoms due to other exposure and I have been to see the GP several times over that and they didn't have a clue what could be causing it - I had morning nausea , massive head splitting headaches, troubles focusing and I was feeling generally quite ill and tired. (i used to sleep with wifi/BT earbuds on, my office was full of wifi stuff and past 3 months I've been flying DJI on full power). Last two days I finally started to recover a bit so either that's coincidental or there might be something to it (i'll see in a week or two)

If the transmitter will be far enough it might be good enough to bring the exposure to acceptable level (signal attenuates with square law if I remember the physics well) and there is a possibility of shielding (making the TX directional). The best solution would be to turn the transmission off and have the goggles as passive receiver (same as analog). I love FPV so I would like to find solution how to do it without slowly loosing cognitive ability

(04-May-2022, 10:48 AM)TomK Wrote: Fair enough. I do work in tech industry and I do get into some interesting projects so I get used to scientific publishers as the default go to. few days ago was the first time when I came across the issue and it scared the crap out of me (literally)

exposure for me is a concern - big enough to put the hobby onhold for now and big enough to overcome the convenience and my laziness and I did the LAN wiring today (no more wifi in house and business. I will still use my phone but i might be handling it bit differenty and I'll certainly invest into EMF meter to assess more accuratelly what I should worry about and what's acceptable. Nothing is safe but risk and exposure mitigation is the name of the game for me - I already have started getting some of the mentioned symptoms due to other exposure and I have been to see the GP several times over that and they didn't have a clue what could be causing it - I had morning nausea , massive head splitting headaches, troubles focusing and I was feeling generally quite ill and tired.  (i used to sleep with wifi/BT earbuds on, my office was full of wifi stuff and past 3 months I've been flying DJI on full power). Last two days I finally started to recover a bit so either that's coincidental or there might be something to it (i'll see in a week or two)

If the transmitter will be far enough it might be good enough to bring the exposure to acceptable level (signal attenuates with square law if I remember the physics well) and there is a possibility of shielding (making the TX directional). The best solution would be to turn the transmission off and have the goggles as passive receiver (same as analog). I love FPV so I would like to find solution how to do it without slowly loosing cognitive ability

I'm sorry to hear about your RF exposure related health issues. Hopefully you can find a compromise that allows you to enjoy what you want to do by mitigating some of the concerns and risks to a level that you're comfortable with.

Based on your last paragraph, if I was you I would probably just sell your DJI FPV System gear and look at HDZero instead. That system doesn't use a data packet re-request and re-transmission mechanism so the HDZero / Shark Byte VRX module on the goggles is simply just a receiver exactly as per an analogue setup. Because there is no data re-transmission you tend to get more break-up of the image when lost / corrupt data packets occur which will happen more if you fly around or behind objects, but the trade-off is much lower image latency than with the DJI FPV System, and the image quality with HDZero is still way clearer than any analogue setup.

(04-May-2022, 12:14 PM)SnowLeopardFPV Wrote: I'm sorry to hear about your RF exposure related health issues. Hopefully you can find a compromise that allows you to enjoy what you want to do by mitigating some of the concerns and risks to a level that you're comfortable with.

Based on your last paragraph, if I was you I would probably just sell your DJI FPV System gear and look at HDZero instead. That system doesn't use a data packet re-request and re-transmission mechanism so the HDZero / Shark Byte VRX module on the goggles is simply just a receiver exactly as per an analogue setup. Because there is no data re-transmission you tend to get more break-up of the image when lost / corrupt data packets occur which will happen more if you fly around or behind objects, but the trade-off is much lower image latency than with the DJI FPV System, and the image quality with HDZero is still way clearer than any analogue setup.

Thanks - good advice and I really appreciate it - I'll sell the DJI system and I will look into HDZero (all the other Wifi stuff is gone already). I will take the break up any time of the day if it will keep me flying without overexposure.

The symptoms are still not very pleasant but seems like things are starting to slowly improve so unless this is coincidental I think the neuroscientists were onto something. From personal experience I can confirm the onset of symptoms is really really slow and it started in my case with low mood, tiredness, irritability, poor digestion and sleep then those symptoms were getting gradually worse (over several years to a point i had few checks for cancer - came negative) and then things were getting worse with more splitting headaches, problems with speech and last week every morning turning my stomach inside out and waking up as I didn't slept and that's when the possibility of RF exposure came up ... and I've learned WiFi is quite destructive and anything but safe. 

I hope this will help someone to avoid falling into the same hole and enjoy the hobby without inadvertently harming themselves. HD zero + Shark Byte VRX  looks like the way to go in a future and I think the TX transmissions can be managed with directional antennas or some shielding (plus reducing the exposure at home and work which I think plays very significant part to start with)

(05-May-2022, 01:00 AM)TomK Wrote: why I am also concerned about that signal near your head.  I notice the antennas come off why not just attach an extender cable to bring the antennas away from your body
that should solve the problem.   Like I like to fly out from my car  can I connect wired antennas and put them on the roof ??


Thanks - good advice and I really appreciate it - I'll sell the DJI system and I will look into HDZero (all the other Wifi stuff is gone already). I will take the break up any time of the day if it will keep me flying without overexposure.

The symptoms are still not very pleasant but seems like things are starting to slowly improve so unless this is coincidental I think the neuroscientists were onto something. From personal experience I can confirm the onset of symptoms is really really slow and it started in my case with low mood, tiredness, irritability, poor digestion and sleep then those symptoms were getting gradually worse (over several years to a point i had few checks for cancer - came negative) and then things were getting worse with more splitting headaches, problems with speech and last week every morning turning my stomach inside out and waking up as I didn't slept and that's when the possibility of RF exposure came up ... and I've learned WiFi is quite destructive and anything but safe. 

I hope this will help someone to avoid falling into the same hole and enjoy the hobby without inadvertently harming themselves. HD zero + Shark Byte VRX  looks like the way to go in a future and I think the TX transmissions can be managed with directional antennas or some shielding (plus reducing the exposure at home and work which I think plays very significant part to start with)

For anyone wanting to get some distance to the antenna as I understand it you can setup a "ground station". which is also might improve signal quality. Just google "How to set up an FPV ground station" (particularly I watched a video on the UAVfutures YT channel which was very easy to follow). Not saying this radiation is dangerous but I am also not saying that the establishment is usually quick to recognize environmental health hazards. Cheers.