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    Help improve my wifi signal please


    Hi everyone, I have some problems getting a good wifi signal at some places in my home and outside. I have a good router and good gear, but it doesn't do that much.

    Let me start by saying what I have;

    - Router : Asus RT-AC66U

    - Router is running Merlin build (version 3.0.0.4.372.31) of the official ASUS firmware

    - I have normally between 20 to 30 devices connected to the router everyday (smartphones, tablets, XBOX, PS3, Media streamers, laptops, workstations, etc.) Is that too much?

    - I replaced the original antennas with 2 Alfa 9dBi antennas : http://www.amazon.ca/gp/product/B00328913Y/ref=oh_details_o02_s00_i00?ie=UTF8&psc=1, are those good antennas?

    - I replaced the middle antenna with the Asus WL-ANT-157 Antenna : http://www.amazon.com/Asus-WL-ANT-157-Antenna/dp/B005UBNJ48/ref=pd_cp_pc_2 and pointed it towards my weakest home links

    - Router has WPA2 personnal AES security and is runnung on dual band, no guest network configured. I almost did nothing special in configuration except some reserved DHCP.

    Here is a schema of my home and where is my WiFi router : http://www.ftpservice.ca/homewifi.jpg

    As you can see, my router is on the floor and at one end of the house. I know I should place it near center of the house and up in the air, but I can't.

    My house is only 28 x 40 feets, but I get weak signals on the other end of my house, about 65/75 dBm, which translates to 5-10Mbps. With the hardware I have and changes I made, I should get better signal and speed than this, no?

    I tried moving the antennas, nothing changed. The newly, more powerful antennas didn't change that much, in fact, I didn't see a significant change with my 3 new antennas.

    I have a 2.4Ghz phone but it's almost 20 feets away of the router. There's another one about 5 feet away, but there's a wall between them (Living room vs Room 1), the cordless 2.4 Ghz phone is attached to the Room 1 wall, could it be this?

    Can I use a kind of extender cable for my antennas to place them higher and nearer the center of my house without moving the router?

    Is there any new advices??

    Thanks a lot
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    Hey ExportA, what is the straight line distance from the router to where your devices get a weak signal? Also, what physical barriers is the signal passing through (i.e., drywall, brick, solid wood, glass, etc...)?
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    Did you consider to increase connectivity with hotspot or repeaters, adapters, they are good for large network.

    Such small distance, it must work.
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    What tool did you use to test the signal?
    Have you tried with different Wi-Fi channels?

    How will it be if you, for testing purpose, placed the router near the corner where you have the text "router location" on the first picture?


    Had a similar issue with my old router, especially when all doors was clsoed.
    But after i bought a router similar to your (another ASUS model) the signal was a lot better.
    One thing is the signal, how does fell in the internet speed in a browser?

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