Wall Penetrating Wi-Fi Solution Using TL-WR941HP

I have three double-story townhouse units located in close proximity.

Unit 1 has fast NBN broadband (50/20 Mbps) using a stock standard modem from the ISP (Sagemcom 4353). This will soon be replaced by a TP-Link Archer AX6000.

I would like to share Unit 1's internet connection with Unit 2 and Unit 3, without using LAN cables from one house to another.
Obligatory MS Paint diagram can be found here: https://imgur.com/a/aMlB3ZE

The 8 high-gain external antennas of AX6000 won't have sufficient range or the ability to pierce multiple brick walls (including the double garages of Unit 1 and 3).

So, I have looked into TP-Link TL-WR941HP as a potential solution. Link: https://www.umart.com.au/TP-Link-TL-WR941HP-450Mbps-High-Pow…

The TL-WR941HP boasts of a wireless range of up to 10,000 square feet, which is more than sufficient to cover the areas of Unit 1, 2 and 3.
The main limitation is it only supports 2.4GHz (802.11n) standard. That is perfectly fine for now as most of the guests within Unit 2 and 3 will be using the internet for browsing, YouTube and work / study purposes. No gaming or streaming 4K videos.

With this approach do I need two additional TL-WR941HP units to be located within Unit 2 and 3, to act as repeaters?

This is merely a temporary solution for about 3 - 6 months until we get an electrician to run a conduit for physical network cables.

Any other thoughts as I have never tried this before?

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Comments

  • 2.4ghz us better than 5ghz for walk penetration. Another option is cat6 cable out the window and over the roof…

  • -1

    Salutations doc,

    Another solution is to gather up used PayTV dishes/microwave dishes to receive line of sight reception of wifi’s.

    I have installed it to two near street properties to consolidate for cheaper internets which would yield higher monthly rental incomes.

    Here’s an example:
    https://m.youtube.com/watch?v=dQw4w9WgXcQ

    Apparently distance of up to 6 km can be achieved without waveform amplification in the GHz domains

    • Yes, very funny!

    • This can actually work but it's very illegal. Well depends how much power you allow it to output.

  • The TL-WR941HP boasts of a wireless range of up to 10,000 square feet

    TP-Link has no information on how this was measured, so most like this is its maximum possible range in open space. 2.4 GHz Wi-Fi signal is attenuated 6-18 dB by one brick wall according to Motorola and quoted in this StackExchange Q&A.

    According to this modelling of signal attenuation, concrete (and probably brick) walls are bad news for Wi-Fi.

  • Powerline Ethernet might work then a wifi acres point to rebroadcast inside each unit.
    WiFi extenders positioned in Windows is the other option.

    • EoP will not play well with circuits on separate meters and fuse boxes.

      • I've read accounts that state otherwise… So let's correct your statement to "May not play well"
        It's a nice, easy solution to try out.

        OP will need Optical connections between units if they are on different power inputs.
        Can't be wiring things together with copper across electrical supplies.

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