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- เผยแพร่เมื่อ 4 ส.ค. 2023
- Trying to fix bad range on your DJI Mini 3 pro or any other drone? You may have looked at range extenders! but with huge questions over if they work or not in this I show you what settings you need to change to use them properly then do a flight test with the RC-N1 controller and some Yagi antennas to finally get the truth if they work or not.
Check out the yagi antennas tested in this video here : amzn.to/45ddu0k
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Firstly, im an advanced amateur radio licensed operator….. i build and have built many yagi antennas for various bands here in Australia. You really need to understand antenna theory to grasp exactly what is going on. Antennas are tuned lengths for specific frequencies, outside its tuned freq it fails to operate efficiently….. so as you go up in the band (higher frequencies) you’ll notice the elements on the beam become smaller….. the more elements on the boom of the yagi give you more gain ie. for example 1 watt signal x 6db gain gives you 6 watts of ERP ( effective radiated power ) so it multiplies your power output effectively. But never forget the more elements on the yagi also reduces beam width…… meaning if you point the transmitter more than 15 degrees either side of the true direction of the drone you risk losing signal almost completely…… or return to home function taking over very quickly. Unlike the standard co-linear vertical antennas standard on drone controllers which radiate and receive omni-directionally ….. at 90 degrees to the target yet 360 degrees around the whole antenna…. Making it less likely to lose signal completely at reasonable range especially if you need to place the controller down for a moment its more forgiving…… you dont have the gain factor of a yagi giving you effectively more transmit power and more sensative receive but much narrower beam width….. hope that makes sense to you guys….
I'm a mechanic/machine operator and through all the jargon I got what you meant. If I aim at the drone with the "extender" (lamens terms for me to understand), I should be good if I stay within that 15 degrees, just be vigilant?
Perfectly understood👍🏼
With the yagi uda's sold on amazon for these controllers its nowhere near as narrow as 15 degree beam width. Its more like 90 degrees, which is more than wide enough.
@@Baleur dont forget 15 degrees at distance can give you that impression….👍🏼
Hi guys, what Band should i use the yagi? 2.4 or 5.8? Or dual Band? Thanks guys
Interesting testing, I will have find my Yagi’s and give them another try. Great video, thanks for sharing.
I always use my yagi, thinking better to have them then not. Thanks for the video.
1:39 the retired Belgian Sea King MK48 😢 We miss you old lady 😘❤️
Great point. Very informed.
Great technical explanation
Thanks Martin, really appreciate that
Great video mate 👍
Thank you kindly !
Excellent video.
Thank you very much
Thanks
Dang, man I totally expected you to debunk those things. Wasn’t expecting that result. Lol. Great job, buddy and great demo.
Hi man hope you’re well! Nope they definitely work if used correctly! They always have - I used to test these things on the mavic mini and could beat the mini 2 using them
Debunk what? Its 100 year old radio science.
@@Baleurlol. I’m not a scientist. It was cool though to see them work.
Hanatora rc-n1 n2 remote controller antenna range extender has the cross bars and dish works great
interesting result. Interesting video.
Does this kit provide any help for the RC pro controller?
Sometimes get the message: RC control interference.. I know being to close to my tablet that happens so I move away a few yards, but being several hundred feet away from buildings, masts, I wonder: What is picked up? At 2.4 or 5.4 GHz?
Great video I do believe they work based on your video!
Yep they 100% work
Lately, it's been nearly impossible to fly any distance in congested areas & think it's down to the new 5 generation wifi towers in my area so switched to FCC & it improves the signal exponentially.
Indeed - the sheer extra broadcasting power will make the biggest difference
Can anyone explain this fcc
How did you switch to FCC?
Thanks gavin 😅
Can you review an alientech 5.8ghz antenna. Idk if I want to plunge for the money, but it must do something good
Can it be possible that the range is locked in intonthendrone software and not the antenna? What's yall opinion
Thanks G. Question for you as I don't see another way other than here. Lost Mini 2, and given a Phantom 3 Pro two days ago. I haven't run it yet as I wanted to find from you where to go/stop w firmware on the aircraft, RC, and fly app. I have not even started up to find what v it's running. Was using Litchi on my Mini....loved it. Thanks man!
Hi there, first of all the simple answer here is just use litchi! The fly apl will not work as it used the go app but litchi will work just fine
@GAVINHR THANK YOU! Now that was quick GAVIN. Can you also tell me re the firmware where it should be...or not be. If it's too high possibly I could roll back? Your posts have always been great, I've got to get you some French roast.
I think it was a lost opportunity to not show how much further the drone can fly with the range extender on it.
Would have been nice wouldn’t it? Unfortunately with all of the people who will just shout VLOS at me it wasn’t worth the grief, if you look back at my old mavic mini tests when attitudes were a bit different you will see the true potential
Wow. That was a brilliant test !! I have a question. You wrote in a answer to a comment that the mini3 pro has a signal issue that the mini 2 had not. What about the Mini 3 ( not pro) has it also same issue ?
Sadly it is not a drone I have played with on the channel to be able to talk about it really, its not particularly that the mini3 pro has an inherent issue its more in my experience it seems to pick the wrong frequency as demonstrated here whereas the mini 2 seemed to be much better
I have mini 3 pro and I can go miles and miles. I have not done any update since I bought it . I did the mistake with updates on mini 2 and learned the lesson .
I am not updating the firmware and staying on the firmware it came with. Only thing that might make me do the firmware update will be if they bring “way points”.
Loving the mini 3 pro. Only if the UK weather gets a bit better .
When I say miles and miles “metaphorically speaking” before people say all the line of sight and all that .
Ha! yes the VLOS police will be onto you! The weather has been shocking this week it has to be said
Yep they work. I used to fly the mini2 in a tree infest area besides a river and the signal would cut out. I was in the flying in the line of sight cause I didn't want to clip any trees over a moving river. When I had the "signal booster" on that fixed the issue. So I actually used it. I didn't just say it was rubbish and not have tried it.
Yeah they work for sure
They say keep it on 5.8 though for maximum effective
I got some parabolic antenna extenders for my mini se a couple of years ago after watching you trial them out and they definately improved the signal and range of that drone, I had used yaggis and found you had to keep them focused on the drone at all times but with parabolics they were more forgiving and just had to keep pointed in the general direction for them to work. I got some yaggis for my mini 2 but never bothered using since fly in FCC mode instead and that plenty of range for me.
I have flown my mini 3 Pro 8800 metres away and returned with 20% using a plus battery.
Using my drone on a farm to inspect various things , good signal close to ground is highly beneficial .
Distance isn't everything.
I used the parabolic antenna's on my older wifi drones like the Mavic Mini and the Mavic Air and actually saw improvement in the range and signal strength. I have also tried the yagi's as well on my Mini 2 and Air 2S and didnt really see much difference since O2 and O3 are really good already . I still carry them in my bag and try them every once in a while just to see in different environments if there is any difference. I would say its marginal at best in my experience. They absolutely do work though and that's why I still carry them.
Bro have you seen the ocusync 4 on the air 3 with the 5.1ghs?? I am really curious to see if range extenders would work on something like that
I can 100% assure you no drone running on the 5.2 frequency will even need extenders that thing will give insane range
@@GAVINHR yep and hopefully we can finally go under bridges safely
Exactly what you said. 😂 I bought them because they were cheap on Amazon and I like to experiment and fiddle with everything I own trying to find the sweet spot. They make a noticeable difference but if you get distracted by something and happen to turn away from the drone it's over. Really haven't had any reason to use them in 2 years on any of my drones...even tho they are always in my fly bag. Just in case.
@@RaniRani-zt2trwhy you wanna fly under bridges so badly man?? You a troll!😂 Don't they live under bridges😂
Sorry I couldn't help myself. 😊👊
You should do the external antenna mod. 😉
Honestly, I found t he range to be less of an issue. As the battery seems like it can never keep up. I always wonder if there is a way to modify it or something to add a secondary battery or something.
I would like to have seen a test with lower signal strength, i.e. at a slightly longer distance. That is, not finding a spot with a bad signal without it being a bad signal all the time.
The boot bobbing vlos police would eat him alive bruv
What Band should i put the RC ? 2.4 ou 5.8 ? I dint get It guys
i have those and they defo work.and your 100% correct mate nowt worse than a dodgy connection you lose faith in your drone even with vlos good work mate.
Cheers mate! indeed I agree completely - its nice you still comment all these years later on these topics after all the work i did with the mavic mini
@@GAVINHR cause your still doing a good job mate
I appreciate that thank you 🙏
Bought the Yagi range extenders 2.4 and 5.8. Got them to get solid signal and not range, also bought them as they were so cheap on Amazon on the day for whatever reason. Price at the time was around €6 each. Thanks Gavin, agree 100%
Surprised th-cam.com/video/e_ig5EH7ruU/w-d-xo.html
So i shoulnd put dual Band on when i have the yagis right? I shold set the remote do 5.8 and thats it right?
Correct, you need to fix the band on the band of the yagis
Can you get any equivalent kit for the RC controller?, I've noticed the range of the RC with the mini 3 pro isn't as good as the rcn-1 and mini 2, or maybe I'm doing something wrong
Nah that's just how it is without external antennas.
RC2 fixed that if you noticed hahaha
@@Matanumi yes I had noticed, by doing that dji5just admitted there's a problem
Any thoughts on how the new DJI-RC2 controller and the Air 3 will stack up against this problem?
The air 3 will absolutely kill most things now they have the 5.2ghz frequency, TH-camrs often throw around the word game changer but that really is.
@@GAVINHR Now what they need to do is update the mini 3 pro so you can have a decent quality drone with a controller that works. I would buy the Air 3 if it wasn't for all the restrictions on where you can fly it....
Yep, it us Occusync's frequency hopping that is the problem, not the yagis.
I have "superyagis" and really do need them in VLOS. Wet shrubs and trees seriously attenuate WiFi signals, and I often fly a few metres above them. Even in the countryside, farms use WiFi boosters which can interfere with the signal at ranges of around 50 metres.
The only drawback is that yagis are VERY directional - but I am in VLOS, right? So... no problem at all.
Thanks for the test Gavin 🙂👍
Bingo! I just wanted to dispel the myth that they don’t work when they do. Appreciate your continued support, glad the superyagis are still doing their job !
I remember when you made the same video with the mini 2 and said it makes a negligible difference. I used to have a mini 2 and brought the 5.8GHZ yagi but then I returned it after it made no difference. I now have a mini 3 pro with the RCN1 controller and won’t buy those yagis again. From my experience the yagi antenna only worked for me when I had the mini 1 with the fold out antenna. Maybe they will work for the DJI Air 3 with the screen controller but that would be more complex as that operates on 3 different frequencies.
Yeah I answered this in another comment too, you’re right I did say that - based on the fact that the ocusync on the mini 2 did a great job on selecting the right frequency. Sadly that no longer seems to be the case especially with the mini 3 prop as I showed in the video, the air3 certainly won’t need extenders given the fact it’s got the 5.2ghz frequency now - that won’t won’t be congested at all and should give a signal equal to the autel
@@GAVINHR i was actually considering buying the autel nano plus because of its 5.2ghz frequency and better range. But I stayed with DJI as it has the fcc hack, a 47 minute battery and I still had a working controller from my broken mini 2. I am hoping the fcc hack is a bigger advantage than having the 5.2ghz frequency as there is no way to put the autel into fcc mode. I have also heard that autel has terrible wind resistance. In case your wondering my mini 2 was hit by a pigeon which broke its arm.
antennas for dji rc? somthing?
I have the DJI RC for mini 3, please help me guys im starting here. What Band should i put my yagi 2.4 or 5.8 ? Thanks
dual band auto
Its works also the 2.4 Ghz version!!
Yep
You get better range on 2:4 ghz 5 ghz has better signal penetration.
I find that my Mini 2 goes out of sight at about 220 meters, and there is no way that the signal is going to be compromised at that distance. Unless a building blocks the signal -- and you shouldn't have put the drone behind the building in the first place!
I bought a range extender for grins, but have never used it.
What’s your opinion on using third party batteries in the mini 3 pro. I was unable to buy genuine dji plus batteries in the uk at a reasonable price but amazon sell aftermarket ones for £90.
Do you have a link please? I’ve never seen them I’d be interested to see, have you tried eBay? I got it plus batteries from aliexpress shipped to UK
NEVER EVER buy non genuine batteries from a reputable source, anyone who has played this china battery game knows non genuine is not worth it. From straight up scams to outright lies about battery capacity to safety issues. DONT DO IT
Definitely Worked for me with air 2s , didn't work at all on mini 4 pro
Yes they will not work on the mini 4 pro because it has a 5.2ghz frequency that it’s more likely to be using so the 5.8ghz yagis will not work with that
they are only good when flying straight i was trying to make an orbit with them and lost connection very quickly
The FAA's (or the EU equivalent) "Line of Sight" means with a telescope right? After all some people do have less far sight than others so it stands to reason.
Nope! Completely unaided over in the EU
@@GAVINHR That is a really odd law as some people can't (safely or legally) drive cars or fly planes with out the aid of glasses. Seams quite foolish to mandate flying a soup can sized mini drone beyond ones backyard with only a naked eye line of sight. Must be that politicians have now involved themselves in your hobby , as that's how most retardation is implemented into "Law" these days.... Seems people have a situation of mind over matter here - being that if people don't mind FAA don't matter. #FuckTheFAA #OutLaws
It switches to 2.4 because you are flying further away. 2.4 Ghz travels longer distance due to the larger waves of the frequency. 5.8Ghz has higher throughput tho
its the same with your wifi at home if you have duel band wifi or 2,5 and 5ghz seperately
Maybe there were more 2.4ghz signals around the area. thats why you had better coneection with 5.8ghz because the channels werent used as much.
Indeed this is the case I advised exactly that in the video however 5.8 can go very far and only the mini 3 behaves this way the mini 2 sticks on 5.8
Weird why does the mini 3 behave this way?
Does that work for the DJI RC or only for DJI RC-N1?
Yes just the RCN1 / RCN2
Thanks!@@GAVINHR
👍👍
Did you try the 2.4 ghz version?
Not on this video but I have done plenty in the past
@@GAVINHR With the Mini 3 Pro or Ocusync in general on 2.4 ghz only setting?
Why don’t you just get the antenna radiation pattern from the manufacturer? Your 2.4 mhz antenna is a yagi and the 5.8 mhz appears to be a phased yagi. The radiation pattern will tell you the gain vs direction. The phased yagi will give you the higher gain over a wider angle to the drone. You should try making a phased 2.4 and try it too. Just look up phasing yagi’s.
I thought the signal issue with the Mini 3 Pro was centered on its use with the new (let's call it new) RC Controller (with the inbuilt screen). This has no way I can see to add a "signal booster" because everything is internal. Do you know of any options here?
Nah the RC controller is absolutely fine, its a combo of the antenna position in the mini 3 and the fact ocusync isnt doing its job properly. Sadly running that controller there is not much option other than to do as advised and make sure you fix on the right frequency - this will help
@@GAVINHR Well, that answers why I have never had a problem with the Mini3Pro and the RC Controller! Loved the tip about the arrow turning green by the way, I didn't know that 👍
我測試過近似的款式，肯定是有效的，但不想在公開討論，因為總有人持反對意見或引起利益方不滿
Agree
@@GAVINHR 在低干擾環境，大概有5%至25%的增幅；在高干擾環境，則一點提升作用也沒有。我不知道你會不會同意。
What I don't understand is you done a similar test on the mini 2 and didn't recommend the extenders?
Well spotted ! Yep back then with ocusync 2.0 the mini 2 seemed to do a great job in changing frequencies to keep a stronger signal so my advice was to trust ocusync. As I showed in the video these days and particularly on the mini 3 ocusync seems to just get it wrong all the time so I personally believe this is now a better solution based on that information
Even if it’s illegal to fly beyond VELOS who will enforce that. Whats the likelihood of actually getting into trouble doing it. When flying from my back garden I used to get 400m of range but in fcc mode i can get 800. That’s with the 5.8ghz frequency as I live in a built up area.
People may shoot me down for this but the only people enforcing VLOS is other drone users being drone police. If your flight is safe and with no incident I see no issue myself
No-one will enforce the vlos rule unless you bring down a helicopter and kill the crew, then your going to the big house for a long time
Exactly what I said, if the flight is safe and without incident there would be no issue
@@sifly999 There was an incident in Ontario Canada last yr wherein the police launched a matrice into aerodrome airspace, the observer didn't know what his job was and the drone impacted a cessna on final causing serious damage. The Transport Canada investigation was a comedy show and as to be expected the police only received a slap on the hand.
I fully agree that common sense is required, but sadly, it's not that common 😂😂😂😂 I see no problem with bvlos
Off topic! DJI are currently offering 20% off the Mini 3. Combo with RC controller (with screen) for £656. Recently bought mine with 12% discount and paid £728. Rather annoyed 😠.
thats very frustrating, it does happen surprisingly often sadly!
Have you seen the parrot anafi AI 4g drone that offers unlimited range. It does require a SIM card and data plan to operate. In mainland china you can get a 4g dongle for the mini 3 pro to get unlimited range
I have indeed! basically work off the mobile phone network so where there is cell service you have range - incredible stuff
They should be referred to as "Signal Stabilizers" because that is what they do.
They are not signal boosters, they do not boost the power of the signal.
They are not range extenders, they do not extend the drones rated range.
They simply "Stabilize" the signal.
And they work better then what is shown in this video.
They work much better than what I show in this video I agree. Had I flown further I’d of had dozens of comments screaming VLOS at me. Check my old videos out on the mavic mini when I started this channel. I know exactly what they can do
I see no mention or testing of antenna orientation. That’s a shame. Be aware in your use and testing that any radio frequency signal is most strongly radiated or received perpendicular to the orientation of an antenna and weakest in the direction you point the antenna. In other words, point the antennas up or at some other right angle to the drone, not towards the drone, so that the signal is strongest. This applies to all radios, including your home wifi router.
i bought it anyways there's no harm in trying
Or multi Band?
I would stick with 5.8ghz
Thanks mate, but they also work in 2.4 GHz? And in dual Band function on the RC remote?!@@GAVINHR
@alseir those ones I used are 5.8, if you use 2.4 in fly app it will be worse
Ok, my model of yagi is a Lichifit Yagi "extender antenna rc YX-754 , what is the best band i can use? 2.4 GHz?
Sorry for the questions.
Thing is you have always had signal problems where you live
I don't have an issue with the range, I deliberately test in environments which are tough in order to complete the videos correctly
If the RM330 wasn't so crap with range, we wouldn't need these addons. How in hell can a remote controller go to market without an antenna, or even an antenna port? I also see DJI have recently brought an almost identical controller...WITH ANTENNAS! I'm assuming the RM330 was designed with these dumb VLOS laws many countries enforce, therefore only needed internal antennas..
Snake oil.
500 yards not much of a test...
They done work for shit for me
Possibly the most flawed and useless test on youtube. The signal meter was bouncing around so much between range extender on and off that you have no clue what it was doing.
And when was the signal meter bouncing around so much? When I was putting the thing on and off. Doesn’t take a genius to figure that out. With the extender on its stable, off it wasn’t. Let me know when you make a video since you think you can do better I’ll be sure to watch it :)
Fcc hack is the only way to go.........mini3pro rcn1 can acheive 3miles plus😊
you are right and nothing will beat that :)
Hey kamikazekaos, I thought u lost Ur FCC hack when u updated. Have u fixed this?
@@wabbadabbadoodaa2746 l free fcc hack stop working , so had to buy dronetweeks hack is excellent...
@@markybyeahhow do you do this, also possible in th eu?
Can you please explain this FCC hack