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Solved: Advice for buying a new WiFi adapter

Discussion in 'Networking' started by Parabejus, Nov 12, 2011.

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  1. Parabejus

    Parabejus Thread Starter

    Joined:
    Aug 22, 2011
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    Hello. I have had this damned Realtek 8185 Extensible 802.11b/g Wireless adapter for years and since it's connection stability issues and speed starts to annoy me, I'm thinking of buying a new wireless adapter.
    My router is Huawei B970 and it is a couple of rooms away from my PC.
    I don't care if the adapter is USB or PCI I just want it to be stable and fast. What would you recommend?

    Looking forward to hearing your opinion,

    Martin :)
     
  2. warrior19

    warrior19

    Joined:
    Oct 3, 2009
    Messages:
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    Not sure if you are in the UK but at Ebuyer.com any of the PCI wireless adapters would be suitable. http://www.ebuyer.com/263387-tp-link-wireless-n150-pcie-card-tl-wn781nd The TP-Link, Edimax, D-Link or Cisco Linksys would all be suitable and run the fastest standard Wireless N.

    Otherwise USB adapters like TP-Link and Edimax are cheap and cheerful. http://www.broadbandbuyer.co.uk/Shop/ShopSearch.asp?CategoryID=461

    Some USB Adapters run extremely hot after a while so can be prone to issues. In my opinion if it is a desktop PC that does not move anywhere in the house I would go for PCI Wireless N adapter installed in the PC.
     
  3. etaf

    etaf Moderator

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    Messages:
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    First Name:
    Wayne
    do you know if a problem with the adapter and not the environment - a few rooms away could be a problem depending on whats in the walls

    lets see an xirrus screen shot - and see if its possibly interference or signal

    ------------------------------------------------------------------------
    Run Xirrus Wi-Fi Inspector
    Download and install

    If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC

    http://www.xirrus.com/Products/Wi-Fi-Inspector.aspx
    Direct link to the program is here http://wpc.475a.edgecastcdn.net/00475A/XirrusWiFiInspectorSetup.1.2.0.exe

    {If the above link does not work heres another link http://www.pcworld.com/downloads/file_download/fid,77196-order,4/download.html}

    Then run and install the program - on a wireless enabled PC/Laptop
    if you get an error - You need NET Framework installed for the WiFi Inspector to function.

    Run the program

    A user guide is available here http://www.xirrus.com/Products/Wi-Fi-Inspector/xirruswifiinspectorguide1-2-0.aspx

    post a screen shot of the program running - if there are a lot of networks showing can you click on "networks" top lefthand area - so we can see all the network information, and also post which network "Adapter Name" (1st column) is yours on the list

    To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file.
    To upload it to the forum, open the full reply window and use the Manage Attachments button to upload it here.
    Full details are here http://library.techguy.org/wiki/TSG_Posting_a_Screenshot

    Note:
    For a reliable (or robust as the Xirrus user guide says) wireless connection you need a signal of about -70 dBm or better.

    If you are using the Mac OS then use http://www.istumbler.net/
    ------------------------------------------------------------------------
     
  4. Parabejus

    Parabejus Thread Starter

    Joined:
    Aug 22, 2011
    Messages:
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    Well I ran the test. The result is in the attachment. I don't know, maybe the problem is in Windows? Because when I ran XP ~3 years ago everything worked really good. Then after one reinstallion of Win the adapter suddenly become very unstable... Maybe it's too old and has already done his part :D ? Anyway now I don't loose connection, windows only starts showing that limited connectivity sign on the wireless network icon. And this happens pretty often if anyone else in my home uses internet.
    I don't think that the problem's in walls, because my iPod touch connects without any issues from the same place as the PC. Another thing that might be affecting the connection is the router. It uses 3G broadband and I think taht it uses non static IP adress as we haven't selected this feature from our internet operator
    ...
     

    Attached Files:

  5. etaf

    etaf Moderator

    Joined:
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    Messages:
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    First Name:
    Wayne
    your not getting a high enough signal for reliable connection according to the xirrus help file
    you may want to try moving the router slightly or aerial
     
  6. Parabejus

    Parabejus Thread Starter

    Joined:
    Aug 22, 2011
    Messages:
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    Ok. Thanks for your help. Will try. If that doesn't help will just buy a better card. :)
     
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