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Mmds Aerial

  • 16-06-2006 1:04pm
    #1
    jayo2004
    Registered Users, Registered Users 2 Posts: 359 ✭✭


    Hi I was wondering if anyone has modded a mmds aerial to use as a wireless antenna. If so what were the results??


Comments

  • #2
    NutJob
    Closed Accounts Posts: 884 ✭✭✭NutJob


    irishwan.ie

    Am it worked


  • #3
    jayo2004
    Registered Users, Registered Users 2 Posts: 359 ✭✭jayo2004


    Ye i have registered there just waiting on it to be approved


  • #4
    jayo2004
    Registered Users, Registered Users 2 Posts: 359 ✭✭jayo2004


    Here is some pictures of the aerial

    1. aerial
    http://img161.imageshack.us/my.php?image=holidays1853aa.jpg

    2. Sideview
    http://img98.imageshack.us/my.php?image=holidays1863gu.jpg

    3. Connector
    http://img235.imageshack.us/my.php?image=holidays1895ji.jpg


  • #5
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    It is the right type of mmds antenna for modding, what size is the grid from side to side ( bit hard to judge from the pics / how long a link are you going for ?

    The connector is an N-type (common enough) , so you will need a "pigtail" to go between your antenna and your device.

    The mod is easy , slip out the black part and hold it in your hand then tap it along the seam , after a few fairly sharp taps you will hear it starting to open ( it will sound a bit more hollow ) , gently prise it apart and you will be looking at two L shaped brass parts soldered/crimped onto the coax.

    What you need is two of the L shaped parts that are a bit longer, you could make them from thin copper it may be a bit easier to get if your in a city ( art / craft /modelling shops maybe )

    If the coax is corroded go get a new good quality bit ( its RG-213) and a new connector

    I had before/after photos on the old irishwan site , i'll try to dig them up later


  • #6
    jayo2004
    Registered Users, Registered Users 2 Posts: 359 ✭✭jayo2004


    Thanks Bushy the before and after pics would be great. Not sure of the size not at home at the minute but its around a foot and a half from side to side. The link is about 200-300 yards??


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  • #7
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    It should work away fine without modding over such a short hop , but it may cause whatever is connected to it a tiny bit of distress ( antenna wouldn't be matched to gizmo etc ) but most stuff is very tolerant of hideous abuse radio wise.
    What units are you plugging into the antennas each end ?


  • #8
    jayo2004
    Registered Users, Registered Users 2 Posts: 359 ✭✭jayo2004


    was thinkin about gettin 2 Linksys WRT54Gs but i might want to expand the range in the future maybe 1/2 km to 1 km. I was plannin on setting up a few of my friends in the future (play games share broadband) but some are not in line of sight (not sure from roof top maybe they are). I seen a post on Irishwan http://www.irishwan.ie/forum/index.php?topic=247.0 and you advised on different gear from aerial.net. would I be better getting something like that?


  • #9
    bushy...
    Closed Accounts Posts: 1,467 ✭✭✭bushy...


    The wrt54g's would work grand for the link you have in mind, but routerboard 112's are as cheap almost , and can take a second radio card in the future (which sounds like what you may be looking for soon) ...plus if you need to go to 11a at some stage , just change the antenna and away you go again, if you go for the wrt's you'll have to bin them too.
    Maybe a bit more planning/bit of climbing is needed before you buy anything , have a quick run around to the lads you may be connecting up in the future, have a good look around ,take a few notes maybe you may be able to relay stuff through one of their places.
    As far as antennas go , see if you can gather a couple more of those grids ( more importantly just the black plastic part ) , come back and i'll tell you the plan....b


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