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Thread: Replacement antenna for Buffalo WHR-HP-G54?

  1. #1
    Peabody
    Guest

    Replacement antenna for Buffalo WHR-HP-G54?

    Due to a slight accident which knocked the router off the desk, the
    antenna is broken. Anybody know where to get a replacement antenna?
    I didn't see anything encouraging on the Buffalo site.



  2. #2
    Kim Clay
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    On Mon, 19 Jan 2009 16:14:25 -0600, Peabody
    <waybackNO784SPAM44@yahoo.com> wrote:

    >Due to a slight accident which knocked the router off the desk, the
    >antenna is broken. Anybody know where to get a replacement antenna?
    >I didn't see anything encouraging on the Buffalo site.
    >

    Usually the hinge section breaks & it will not stay in any position or
    just hangs by the internal coax. The antenna is still functional as
    its just a short piece of coax inside the plastic cover.
    Anything you can do to create a "splint" to hold it in the position
    you want would work. Just don't use metal as a splint.

    If it is normally bent 90 at the hinge, maybe you can cut a couple
    pieces of plastic (clear pepsi/coke bottle) into a "L" shape (1/4-3/8"
    wide) & wrap/tie them in place (with string or ty-wrap), one splint on
    each side of the bend.

    Now to answer your question:
    I believe you have a Buffalo p/n WLE-AT-NDRHB antenna.

    Any short 2.4GHz antenna with a rp-sma connector would work.

    I found this link but I dunno nothing about the seller:
    http://www.antonline.com/p_WLE-AT-ND...LxwoddXuSmwthe
    WLE-AT-NDRHB High Gain Omni-Directional Antenna

    $20 or so but it is the cheapest I could find searching quickly.

    enjoy :)

    kc

  3. #3
    Jeff Liebermann
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    On Mon, 19 Jan 2009 16:14:25 -0600, Peabody
    <waybackNO784SPAM44@yahoo.com> wrote:

    >Due to a slight accident which knocked the router off the desk, the
    >antenna is broken. Anybody know where to get a replacement antenna?
    >I didn't see anything encouraging on the Buffalo site.


    It's fairly difficult to destroy one of those antennas. Here's a
    photo of the guts of a similar antenna:
    <http://802.11junk.com/jeffl/antennas/coaxial/slides/coax-ant.html>
    As long as the guts are still together, and not ripped apart, the
    antenna should work. If the outer plastic or hinge are broken, just
    glue it back together. Otherwise, reinforce it with shrink tube, soda
    straw, or something that's RF transparent. If you're not sure if the
    tubing is RF transparent, put a piece in the microwave oven. If it
    melts, find something else.

    I have a WHR-HP-G54 on my equipment shelf. The antenna is a 2dBi
    vertical colinear, with an RP-SMA (reverse polarized SMA) connector.
    There are plenty of those all over eBay and various shopping sites.
    Literally any 2.4GHz antenna with an RP-SMA connector should work.

    Search eBay for "RF-SMA Wi-Fi Antenna". For example:
    <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170293026236>
    How's $2.69 including shipping from Hong Kong sound?
    (Hint: Buy several in anticipation of the next accident).



    --
    Jeff Liebermann jeffl@cruzio.com
    150 Felker St #D http://www.LearnByDestroying.com
    Santa Cruz CA 95060 http://802.11junk.com
    Skype: JeffLiebermann AE6KS 831-336-2558

  4. #4
    Peabody
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    Jeff Liebermann says...

    > It's fairly difficult to destroy one of those antennas.


    Thanks to you and Kim for the replies.

    The very bottom of the antenna has a brass-colored fitting
    that screws onto the router base. The plastic which
    normally houses that fitting has broken, and about a third
    of it is missing (can't find the piece). So now the fitting
    itself has fallen out.

    It's hard to see how that fitting was electrically connected
    to the rest of the antenna (actually - to the rest of the
    swivel base), unless it was just pressed against it and held
    there by the molded plastic.

    I suppose I could try to superglue or epoxy the fitting back
    in place, but I suspect neither would adhere to the plastic,
    and I don't know whether the electrical connection would be
    very dependable. But at this point I guess it wouldn't hurt
    to try.

    As your comments suggested, when I just stack everything
    back in place and brace it so it doesn't fall down, it still
    works. But that would leave it it a pretty delicate
    condition.

    Now that you guys have provided the technical specs, it
    should be easy to get a replacement that works if my repair
    attempts don't work.

    Thanks again.


  5. #5
    Kim Clay
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    On Wed, 21 Jan 2009 08:22:15 -0600, Peabody
    <waybackNO784SPAM44@yahoo.com> wrote:

    >The very bottom of the antenna has a brass-colored fitting
    >that screws onto the router base. The plastic which
    >normally houses that fitting has broken, and about a third
    >of it is missing (can't find the piece). So now the fitting
    >itself has fallen out.
    >
    >It's hard to see how that fitting was electrically connected
    >to the rest of the antenna (actually - to the rest of the
    >swivel base), unless it was just pressed against it and held
    >there by the molded plastic.

    <snip>

    The connector is just pressed into the plastic of the antenna housing.
    The only electrical connection is where the connector is crimped to
    the coax. All the plastic parts are just to hold the little coax
    antenna in position.

    I've got an antenna that broke where the rp-sma connector is pressed
    into the plastic & it is missing about 1/2 (or 180) of its support.
    Now it's held in place with a small ty-wrap, to what is left of the
    plastic. As long as I don't drop it, its fine.

    These antennas tend to break easily but at least it saves the
    connector on the AP :)

    kc

  6. #6
    seaweedsl
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    On Jan 21, 8:22*am, Peabody <waybackNO784SPA...@yahoo.com> wrote:

    >
    > As your comments suggested, when I just stack everything
    > back in place and brace it so it doesn't fall down, it still
    > works. *But that would leave it it a pretty delicate
    > condition.
    >


    - wrap it in electrical tape to stiffen it

    - build up some hot glue or silicone or epoxy putty around it. Bubble
    gum would practically work!

    You'll run into a spare RP-SMA omni pretty soon anyway. They outlast
    the devices and/or get replaced with higher gain antennas so they tend
    to accumulate.

    One thing to note: Your particular router came with a 4 dbi, not the
    typical 2dbi. So you are better off fixing it or getting a similar
    one. If getting keeping extra 2db matters in your situation.

    On the other hand, if you have marginal connections, you could get a
    small directional panel antenna for it instead.

    Steve

  7. #7
    seaweedsl
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    On Jan 23, 1:42*am, seaweedsl <seaweedst...@gmail.com> wrote:
    *Your particular router came with a 4 dbi, not the
    > typical 2dbi. *



    Oops. You actually never specified which router. But yea, the
    Buffalos I've seen, the WHR-HP-G54 and some of the WHR-G54S came with
    4 dbi it seems.

  8. #8
    GMAN
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    In article <b630c427-d177-4224-9c9c-86a29059facf@b38g2000prf.googlegroups.com>, seaweedsl <seaweedsteve@gmail.com> wrote:
    >On Jan 21, 8:22=A0am, Peabody <waybackNO784SPA...@yahoo.com> wrote:
    >
    >>
    >> As your comments suggested, when I just stack everything
    >> back in place and brace it so it doesn't fall down, it still
    >> works. =A0But that would leave it it a pretty delicate
    >> condition.
    >>

    >
    >- wrap it in electrical tape to stiffen it
    >
    >- build up some hot glue or silicone or epoxy putty around it. Bubble
    >gum would practically work!
    >
    >You'll run into a spare RP-SMA omni pretty soon anyway. They outlast
    >the devices and/or get replaced with higher gain antennas so they tend
    >to accumulate.
    >
    >One thing to note: Your particular router came with a 4 dbi, not the
    >typical 2dbi. So you are better off fixing it or getting a similar
    >one. If getting keeping extra 2db matters in your situation.
    >
    >On the other hand, if you have marginal connections, you could get a
    >small directional panel antenna for it instead.
    >
    >Steve




    Tons of RP-SMA on ebay


    http://search.ebay.com/search/search...40&_trksid=m37.
    l1313&satitle=+RP-SMA&category0=

  9. #9
    JShepherd
    Guest

    Re: Replacement antenna for Buffalo WHR-HP-G54?

    In article <5X6dl.25440$1k1.12564@newsfe14.iad>, waybackNO784SPAM44@yahoo.com
    says...
    >
    >Due to a slight accident which knocked the router off the desk, the
    >antenna is broken. Anybody know where to get a replacement antenna?
    >I didn't see anything encouraging on the Buffalo site.
    >
    >


    Hyperlinktech.com aka lcom.com has a number of reasonably
    priced choices. I have a number of their antennas.


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