The Wifi Gun in a Can-Can

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  • Опубликовано: 23 ноя 2024

Комментарии • 177

  • @kensmith5694
    @kensmith5694 5 лет назад +7

    In a conductive space like you have, the wavelength is not the same as free space. You effectively have a capacitively coupled loading on the ends of the elements.
    A much larger diameter tube would likely do better. The area over which you take the RF energy is about equal to the tube's cross section. The efficiency with which you then bring it into the COAX is the big thing to optimize.

  • @glevideo
    @glevideo 6 лет назад +6

    Andrew, this is very similar to antennas we used to use back in the 80s on news gathering vans to shoot a microwave signal back to the studio on around 2300 MHz. And some of us ham operators used to make these to shoot video to each other across town. The difference is that we made waveguides from coffee cans. A small hole drilled in the can 1/4 wave from the back of the can and a 1/4 wave of center conductor of 50 ohm coax protruding into the can made up the driven element. The can was then inserted into a short section of PVC pipe just larger diameter and a PVC cap glued on. This made for a rigid mount of the long all-thread rod which contained 20 or 30 washer discs of the proper size and spaced with plastic spacers. Nuts only at each end of the rod which was about 3 or 4 feet long. Lots of gain and narrow beam width. Sorry, I don't have dimensions to give you but you may not be far off with your project. I suspect that by inserting your parasitic elements down into the waveguide may introduce some unwanted reflection and SWR. I would shorten the waveguide and then mount the parasitic elements out on the end of the waveguide tube.

  • @Andre-PY4DR
    @Andre-PY4DR 6 лет назад +5

    I love the way you go explaining things during the video and in the end there's no doubt left... You're the best!!

    • @andrewmcneil
      @andrewmcneil  6 лет назад +2

      Thanks PU4ALZ but some people think I talk to much! LOL

    • @mattcg149
      @mattcg149 5 лет назад +1

      Sometimes "too much" is just what we need. Thanks for that

  • @Graeme_Lastname
    @Graeme_Lastname Год назад +1

    I think you need a way to match the antenna. Measuring the VSWR would be a good start. 🙂

  • @vancouverman4313
    @vancouverman4313 5 лет назад

    You will find that when you are attaching the center wire of a coax to your driven element if it's a flat plane such as this, the best match to the coax needs to be experimented with. If you have a spectrum analyzer, connect the coax to the analyzer and aim the antenna at a known signal source and touch the center wire of the coax to various areas of the driven element. You will find that you get a much stronger signal on some areas of the driven element than others due to a better impedance match. Once you have found a place with the best match, solder the center wire to that point. Excellent series of videos and very interesting.

  • @youssefayyar6011
    @youssefayyar6011 6 лет назад +12

    Firstly, thank you so much Mr Andrew for all the exceptional work that you do for us, secondly, I have a question about the diameter of the discs that we must use, on the video you use discs of 34 mm but on the pdf you use 32 mm discs.

  • @PetePuzzle
    @PetePuzzle 6 лет назад +2

    Hi, great video, but I have a few questions. 1) Why shouldn't I use washers as the circle elements to build my WiFi gun...is thinner material better? 2) If I were to use washers, how does that affect my spacing? What I mean is, is the spacing measured between the two facing surfaces, or since the washers are significantly thicker, should the spacing be measured center to center? Thanks.

  • @matiasmalato472
    @matiasmalato472 2 года назад

    I did a logarithmic, for that frequency 2.4ghz, and it was excellent with a good gain.

  • @haggar11
    @haggar11 6 лет назад +13

    No exception.. another great video from you Andy, when it’s come to WiFi in Andy I trust:) thank you.

  • @PetePuzzle
    @PetePuzzle 6 лет назад +8

    I'm wondering if the reason the original design used a drive element 5mm larger and parasitic elements 3mm larger than your design is because the original plans called for a 4mm threaded rod. Perhaps the original designer intended for the builder to use a non-metallic rod, but he used a metal rod instead. Is it the overall diameter of the circular element that matters or is it the cross sectional length of metal that should be measured? I'm sure I'm not saying it right, but perhaps the original calculations take into account that there's a hole in the middle of the circular elements.

  • @StephanusHadiPurnomo
    @StephanusHadiPurnomo 6 лет назад

    Well done, Mr. Andrew. If it possible, please update the document (in PDF) the exact thin of the element & the diameter of axes, please. Because my English is not good, especially in listening. Thank you very much.

  • @jonecuntapay9561
    @jonecuntapay9561 3 года назад

    The antenna thing really works. Even the ukrainian youtube team named kreosan did this (70 Decibels was the max). The farthest is 7 to 12 kilometers from their experiment location to the target Wi-Fi. The reception is cut when snowing but can receive the signals.

    • @jonecuntapay9561
      @jonecuntapay9561 3 года назад

      @@raptoroz5807 im sorry i cant read Russian😟😟

  • @RosaStringWorks
    @RosaStringWorks 6 лет назад

    Awesome! Thanks for the detail.

  • @leonardohernandez1529
    @leonardohernandez1529 4 года назад +2

    Hello I just wanted to say that your video is great and the end product looks great. I would like to ask if you think that this general setup would be effective for a 900 MHz antenna and how are you calculating the dimensions of the parasitic and active elements. Also how do you determine the dimensions for the can you wish to use. Thank you advance for any information you can give me on this. I am currently looking at building one and just need to calculate the dimensions that I need.

  • @davidm71
    @davidm71 6 лет назад +3

    Is there a part list to exact pieces you need to build the antenna? Thank you

  • @arnaldoventura2
    @arnaldoventura2 3 года назад

    Andrew Mcneil. Great video Mr Andrew. Many thanks..
    May I have your website url to go over it please ?
    Sincere regards

  • @brianjohnson2059
    @brianjohnson2059 6 лет назад

    Should be able to get 16-24 miles with this. I would remove 1 or 2 plates on the big end.

  • @eddie-san8913
    @eddie-san8913 6 лет назад +1

    I have a recommendation for you experimentation. Try with one or two parasitic elements, and separation between reflector form active elements. That can be better about, from my experiences experimentation.

    • @andrewmcneil
      @andrewmcneil  6 лет назад +1

      Thanks Eddie will give it a go in the future some people have said that fewer may be better when using a can

  • @armstrongskyview2810
    @armstrongskyview2810 Год назад +1

    Hi Andrew, is this not just a Yagi???
    How is this really different from a typical Yagi?

    • @andrewmcneil
      @andrewmcneil  Год назад

      No different from a typical Yagi exept works in the same way.

  • @nielsdaemen
    @nielsdaemen 3 года назад +1

    You need a nanoVNA

  • @ethanarquette3924
    @ethanarquette3924 4 года назад +1

    My new favorite diy antenna channel! Very informative with all sorts of designs and REAL TESTS! Thank you so much! Im making the antenna from the “My New Favorite Antenna” video. Quick question. If I want to make the antenna from this video but for 5ghz wifi, what diameter should my circular elements be? Thanks!

    • @matiasmalato472
      @matiasmalato472 2 года назад

      Eles provavelmente terão metade do comprimento e espaçamento.

  • @tokdriz1807
    @tokdriz1807 Год назад

    The difference between the metal threaded rod and plasctic threaded rod: all dishes are circuit short cut onto the metal one. All dishes are isolated from each other onto the plastic one, so, i think there is a problem with the metal one: you solder the ends of the cable one way onto a short cut (metal), the otrher way you solder the ends onto isolated dishes, like a capacitor. Can you explain the sense of these two extreme difference?

  • @yoloman2089
    @yoloman2089 6 лет назад +2

    Great Andrew! I really appreciate your work!

  • @CosoroRadio
    @CosoroRadio 5 лет назад

    Many thanks Andrew.
    These was really helpful.
    Regards

  • @1969elder
    @1969elder 6 лет назад +23

    Just curious do you have an over abundance of toilet brushes now lol

    • @huarwe1196
      @huarwe1196 5 лет назад +6

      I prefer to use paper.

  • @geodude9537
    @geodude9537 6 лет назад

    i would like to see the signal strength difference between this antenna and the ordinary built in adapter in my laptop, but no he just gives us a signal strength wuote when the router could be 20 feet away

  • @hafizarsal9868
    @hafizarsal9868 6 лет назад +2

    I have made wifi gun according to your scheme. It doesn't make any difference in wifi signals.
    Plz tell me the solution.

    • @lucaskazama878
      @lucaskazama878 5 лет назад

      What you do exactly? Only the gun, or the two

  • @Bob-Martin
    @Bob-Martin 5 месяцев назад

    Hello.
    I want to know how many millimeters is the thickness of that copper?
    I need to know

  • @mhonbitong8931
    @mhonbitong8931 4 года назад

    Maybe it will work properly

  • @johanoosthuizen3136
    @johanoosthuizen3136 6 лет назад +1

    Ok so I have a question on the dimensions used for the WiFi gun. Aren't the diameter of the directors supposed to be just a fraction under the length of a half wavelength? The frequency of WiFi starts at 2.4Ghz, meaning half it's wavelength should be 58-62mm. The directors in the WiFi gun is 37mm. Any reason why?

    • @maxwelzig
      @maxwelzig 4 года назад

      I have been asking myself the same question. Have you perhaps found out why?

  • @Bowtie41
    @Bowtie41 4 года назад

    Aren't Pringles cans lined with aluminum,they should work too!

  • @Danny_trisan
    @Danny_trisan 6 лет назад +1

    Hi Andrew, great video . I'm looking for a long range antenna to help poor schools to have an intranet , with homemade antenna do you recommend me?

  • @fizziergaming
    @fizziergaming 6 лет назад +1

    hi sir can i use this measurement and make antenna without can

  • @sweettownDB
    @sweettownDB 3 года назад

    @andrew mcneil, can you please help out?, your diagram on the cantenna had the scale 20 X 20.
    How do I apply this to the precut disc diameter? Many thanks.

  • @highflowhighflow9896
    @highflowhighflow9896 6 лет назад

    wonder if the "waves" are not blocked too much because round elements, just a thought that it might reflect too much before it hits the driven. At the moment testing my 2,4 sector antenna which stated as 16dbi and 90 degrees radiation pattern , so far very interesting result with 40+ wifi points while my phone pickup about 10. Need to find spare time to inspect the inner what should have 8 cone-shapes on some board and seperated H and V connectors.

    • @andrewmcneil
      @andrewmcneil  6 лет назад +1

      A few people have said that maybe using less elements may make it perform better I will give it a go when the weather warms up as it does make sense when you think about it.

    • @highflowhighflow9896
      @highflowhighflow9896 6 лет назад

      yup, would be so nice for a long distance test in some open land to avoid all kind of reflections. Agree the weather needs better first lol, here tons of rain in Holland, all coming from UK as wind is from west hehe

  • @alizee8004
    @alizee8004 4 года назад

    Yagi antenna has a wider range and cantina narrow range as you explain in your last video now you have to merge two design together with how is the range?

  • @davidlottering4001
    @davidlottering4001 6 лет назад

    hey there andrew, i was just wondering if you could mabe send me a link or a list or something where i could buy all the items u use to build your wifi antenna's such as the coaxial cables,heat shrink tubing, double sided copper clad board...etc oh and especially the stainless steel toilet brush holder for the cantenna designs. Thank you again for your content your awsome!

  • @neohentai8568
    @neohentai8568 5 лет назад

    Can i used a pringles for the pipe and cover it with metalic tape. Thus make it the same?

  • @apexlegends2543
    @apexlegends2543 2 года назад

    you do a great job. can you tell me what frequency it is most efficient at, like 1800hz?

  • @placeholder_username42
    @placeholder_username42 5 лет назад +1

    I'd love to see you do some GPS antennas.

  • @ravees5193
    @ravees5193 5 лет назад

    I wonder how would it do on parabola/sat dish...

  • @muraddawod8331
    @muraddawod8331 5 лет назад +2

    how i can calculate the diameter for 1800mhz and 2100 mhz for 4g connections

    • @MrThomBeck
      @MrThomBeck 4 года назад

      His design has the driven element at 1/2 wavelength and the others at 1/4 wavelength.
      2.1 GHz is 143 mm & 1.8 GHz is 167 mm.
      You’ll also want to change your spacing. If you look up yagi spacing calculator, find one that lets you choose all of your variables, such as number of elements, diameter of parasitic elements, frequency.

  • @corax2012
    @corax2012 5 лет назад

    So it doesn't matter that the passive discs are not attached to a metal rod?

  • @ShineVendor
    @ShineVendor 2 года назад

    Any idea where one can get the toilet brush holder he uses in some of these videos? I looked up walmarts catalogue and couldn't find anything that looks like that one, cheers

    • @mtang5720
      @mtang5720 Год назад

      In fact, you don't need to find that kind of cylinder. You can find an ideal paper cylinder and stick a layer of tin platinum paper on the outside, which can also play the same role.

  • @andynasayao1375
    @andynasayao1375 4 года назад +1

    i was thinking of making this one but i would like to do it with my Xiaomi Mi Wifi Repeater Pro but its antenna is built to it (unlike from the video that you can disassemble or remove the amtenna).
    Would it be fine if sattelite/cable tv wire is Twiddled to the repeater antenna directly? can i get signal with that (of course with the same directional antenna design)
    please i hope and ill be very glad if someone read this and answer my question.
    (sorry for the wrong grammar)

  • @namewarvergeben
    @namewarvergeben 4 года назад

    I would like to build this kind of antenna (with or withough the can) for my local 800MHz LTE connection because it seems a little easier to make than other directional designs. Are sizings available for 800MHz, or is there a good online calculator which could provide that?

  • @pilipoff
    @pilipoff 6 лет назад

    Andrew, could you please show how to solder wire to the stainless steel. I was trying a lot in a different ways, but unsuccessful to make a proper soldering. Thank you!

    • @andrewmcneil
      @andrewmcneil  6 лет назад

      These are not true stainless steel they are a mix with a lot of tin. I have come across some that just will not solder even when buying from the same store. I got 10 of these last year same make same store and two of them would not solder.

    • @baladar1353
      @baladar1353 6 лет назад +1

      pilipoff
      Anytime soldering a steel or iron part, use flux and it'll be easy. Flux paste or acid flux, plumbers flux or hydrochloric acid - each will do the job, but be careful with the acid.

  • @TheWaLeK
    @TheWaLeK 4 года назад

    What job do all the parasitic elements do if they are all seperated from the can? You only seperated the driven element from the reflector in previous antenna?

  • @Israel777888
    @Israel777888 6 лет назад

    Nice. Thank you for the video!

  • @fizziergaming
    @fizziergaming 6 лет назад

    grate video sir again i really like it

  • @andrevandermescht2370
    @andrevandermescht2370 2 года назад

    In British and Scottish : Cut becomes Coot and Nut becomes Not. In Indian : R become Doodle :-D It is funnny, Not Fonny, how people talks.

  • @LA6UOA
    @LA6UOA 6 лет назад +1

    Nice! Great work and research! I have a question: Can a "antenna" be circular polarized?

    • @bxxj
      @bxxj 5 лет назад

      yes

  • @startreck9204
    @startreck9204 4 года назад

    can i use insulating tape to isolate the parasitic elements from base axis?

  • @wilsonstratulat8199
    @wilsonstratulat8199 5 лет назад

    HI, what is the coex cable connected to before the computer???? enjoyed this very much....

    • @paradisev3730
      @paradisev3730 5 лет назад

      Its connected to an ALpha wifi adapter

  • @moehammadarief
    @moehammadarief 4 года назад

    4:44 screw them together and put on drill them sanding it to make it more round shape...

  • @armandosciascia
    @armandosciascia 4 года назад

    Hello! How many centimeters for the thickness of copper disk ?

  • @kaineishovurmum8831
    @kaineishovurmum8831 4 года назад

    Great concept I feel like trying this but don't think we didn't notice the bird buddy watch 5:12 he straight flips us all off 😏🤣🤣

  • @nathanalaneller
    @nathanalaneller 5 лет назад

    Your diagram doesn't have a length & width measurement for the can, is it important? Dose it mater if the can is aluminum or another material? What type of tube are you using? Can I use a stack of soup cans for the tube? I like to get my details together, less chance mistakes on my part. I need an electronics for dummies book. :(

  • @nathanalaneller
    @nathanalaneller 5 лет назад

    will attaching the can-tena to a satellite dish increase signal strength?

  • @pblackcrow
    @pblackcrow 6 лет назад

    Question, could you use something like this to get a better digital tv signal?

  • @dionisiojulaton4128
    @dionisiojulaton4128 6 лет назад

    Thank u I learned so much from you your my idol please continue your great work more power

  • @azwarmajid4169
    @azwarmajid4169 3 года назад

    thanks

  • @ianedwards834
    @ianedwards834 6 лет назад

    I have a question. I was looking to make something of this design for my parents when they are trailer camping during their summers. Is there a way that this can be connected to a wifi router in their trailer so it can be used for multi devices?

  • @venturioneyzaguirre8380
    @venturioneyzaguirre8380 6 лет назад

    excellent!!, how can i build a 5ghz wifi directional antena for rocket m5 ?

  • @asd4558
    @asd4558 6 лет назад

    really nice and descriptive videos. Is it possible to build these antennas for 5.8ghz.

  • @Donaldisk
    @Donaldisk 6 лет назад

    great job, please for next video make sectoral 2,4GHz ...> 12DBi

  • @Hackbridge1963
    @Hackbridge1963 6 лет назад

    Please could you direct me to a video to help with home WiFi. Typically, we have the Virgin router and I want to boost the signal. I've used a bt router as attachment repeater, but it would be great if the signal was much stronger. Thanks in advance. BM

  • @blee0518
    @blee0518 5 лет назад

    how well is the penetration of your yagi cantenna? is it more than other antennas out there?

  • @MeMe-he7xc
    @MeMe-he7xc 6 лет назад

    Could you redesign a USB powered 2.4 GHz long range antenna off e bay to work off a router with external power supply...

  • @bolote123
    @bolote123 6 лет назад

    Thank you Mr. andrew McNeil
    Is it possible to use the
    copper allowance? Aluminum
    In making the antennae

    • @andrewmcneil
      @andrewmcneil  6 лет назад +1

      You can use aluminum but would have to find a way to connect the coax

  • @joehackenberg30
    @joehackenberg30 6 лет назад

    Do you half to use coaxial cable or will any copper wire work ? I'm want to attach it to a WiFi extender antenna if that makes sense
    if anyone can tell me that would be great thanks

  • @soni13vaijo
    @soni13vaijo 6 лет назад

    what diameter which perfect for the 2,4GHz wifi?
    if I use can with different diameter, do the diameter of main driven is stay on 63mm ??

  • @ahanshah4406
    @ahanshah4406 3 года назад

    what frequency does the wifi gun run on, because I was looking for one that worked on 5Ghz.

  • @kirkslab.5139
    @kirkslab.5139 6 лет назад

    Great videos ! I have learned a lot thanks. But would like to know what is the program you use for testing ?

  • @Fluxswe
    @Fluxswe 6 лет назад

    Hello andrew can you give me a link to your store? Tried the other video that you have uploaded and the link seems dead.. If you could pm me a link or just post one here it would be very appreciated.

  • @antonheidebrink7716
    @antonheidebrink7716 Год назад

    whut it help to make the flat disk curv like a disch

  • @siux94
    @siux94 6 лет назад

    +andrew mcneil How much signal do you get with stock antenna?

  • @roniwijaya7850
    @roniwijaya7850 6 лет назад

    hi andrew, can i implement this design for 4g antenna ?, what is the size of the detail?, thanks

  • @jjok9706
    @jjok9706 6 лет назад

    Wow great

  • @rawtec77
    @rawtec77 5 лет назад

    Hi, can you please tell what is the thickness of copper sheet?

  • @khazanyshaarimohdyusof8000
    @khazanyshaarimohdyusof8000 6 лет назад

    Give me the antena..

  • @JonnovanderRiet
    @JonnovanderRiet 6 лет назад

    Where do you get the cans? I have looked everywhere to no avail.

  • @ahmedmohammedmahmoud-b2j
    @ahmedmohammedmahmoud-b2j 11 месяцев назад

    nice

  • @dulanjala
    @dulanjala 5 лет назад

    any antenna design for 4G signals?

  • @kchanks1
    @kchanks1 5 лет назад

    There's no PDF.

  • @eclipseslayer98
    @eclipseslayer98 6 лет назад

    Parabolic Yagi Cantenna?

  • @shadmanahmed271
    @shadmanahmed271 6 лет назад

    Nice work sir
    Thanks I made it my minor project hope u will help me.

  • @phongpham3771
    @phongpham3771 5 лет назад

    How far that can transmit?

  • @banuekoagustiawan5696
    @banuekoagustiawan5696 5 лет назад

    thanks for a template sir, maybe i can try create wifi gun in my home. nice to meet you, me from indonesia :)

    • @samuelbudiyanto2250
      @samuelbudiyanto2250 5 лет назад

      Saya sudah buat, yang dari Kreosan channel juga, tidak bekerja, ternyata itu cuma tipe Yagi yang dibuat bundar. Kelemahannya pada bautnya ditengah yang menghantarkan signal, jadi sia-sia saja.
      Baut saya ganti dengan sumpit bambu, dan luar biasa, jadi seperti Yagi. Dari hanya mendapat 4 Access Point jadi dapat 32 Access Point.
      Mantao jiwaa ☺️

    • @banuekoagustiawan5696
      @banuekoagustiawan5696 5 лет назад

      @@samuelbudiyanto2250 kalo batang nya di pake in alumunium bekas antena tv kira kira bisa ga bang?

    • @samuelbudiyanto2250
      @samuelbudiyanto2250 5 лет назад +1

      @@banuekoagustiawan5696 jangan, jangan pernah memakai bahan metal atau apapun yang bisa menghantarkan listrik. Pakai saja sumpit kayu atau plastik, atau kayu, atau lidi. Apapun yang tdk menghantarkan listrik.

    • @banuekoagustiawan5696
      @banuekoagustiawan5696 5 лет назад

      @@samuelbudiyanto2250 oke siap bang berarti batang nya cukup pake kayu aja ya terus reflektor penangkap nya baru boleh pake alumunium/tembaga/kaleng ya

    • @samuelbudiyanto2250
      @samuelbudiyanto2250 5 лет назад +1

      @@banuekoagustiawan5696 gak perlu pakai wadah apapun, aku pakai wadah reflektor aluminum memang dapat Access Point yg banyak tapi gak stabil. Kalau gak pakai malah dapat lebih banyak dan stabil. Teorinya memang kaleng aluminum sebagai reflektor dan pengumpul sinyal, tapi dalam praktek malah menghalangi mengurangi efektifitas Yagi

  • @jaywaltzjaps824
    @jaywaltzjaps824 6 лет назад

    CAN YOU GAVE ME 1 OF YOUR INVENTION WOW I SUPER IDOLIZE THAT

  • @8sport
    @8sport 6 лет назад

    Hi.Can you make(Omni PCB Antenna 2.4ghz).I see it's best.

  • @jaylu7971
    @jaylu7971 6 лет назад

    How can you connect to mobile?

  • @HappyCamper84
    @HappyCamper84 6 лет назад

    Nice

  • @TheOriginalDragoon
    @TheOriginalDragoon 6 лет назад

    I must have missed it in the video what gauge was the copper you used?

  • @bikhlarrovamarakov5392
    @bikhlarrovamarakov5392 6 лет назад

    very good :)

  • @danielmarequeiglesias5015
    @danielmarequeiglesias5015 6 лет назад

    I have a TP-LINK model TL-WR840N router. I want to send signal to a repeater 2 floors bellow where the router is. The router has 2 antennas directly welded onto the board without a connector on the antennas. I need maximun signal strength in the direction of the repeater. Is it a good idea to weld this kind of conector ( www.ebay.es/itm/Antena-Pigtail-Cable-F-Female-To-Y-Type-2XCRC9-Right-Angle-15cm-Para-Huawei/163024015983?hash=item25f4fd126f:m:meW5gXQ8227U467x5RFSVrQ ) to both outputs and have them conected to a wifi gun or should i only connect the wifi gun to a single output? Will the signal be stronger with both outputs connected to a single wifi gun or will that make the router go crazy and don't work at all?

  • @CM-cg1fp
    @CM-cg1fp 6 лет назад

    Nice!!

  • @qwertyui90qwertyui90
    @qwertyui90qwertyui90 4 года назад

    your elements aren't completing the circuit though ?

    • @andrewmcneil
      @andrewmcneil  4 года назад +1

      ruclips.net/video/fao1KKwmps0/видео.html

  • @rijinabanes9325
    @rijinabanes9325 6 лет назад

    Materials sir?

  • @mathiastech7240
    @mathiastech7240 6 лет назад

    nice!