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Can I have too many wireless wifi routers as Range Extenders?

Hello,

I’ve recently purchased a Nighthawk X8 Router. Along with it I have a Nighthawk X4S Mesh Tri-Band Range Extender and a Netgear AC750 Range Extender. I am running Wifi through a home that contains 4 separate apartments.

I also have an old Linksys E3200 capable of up to 300 Mbps that I am considering turning into a range extender as well to provide coverage in a unit away from the other three devices but mainly to provide a wired port for the resident to plug in and use a philips hue hub for his bulb system.

My ISP is providing 250 Mbps which should be fine. The modem I am using is a MG7540 rated at 686 Mbps download speed.

Q.) Is there any downside or any reason why I should not use the E3200 router aside from its low Mbps rate?

Q.) Is there any downside in using more routers as pass throughs/range extenders?

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How you have the physical layout of your extenders sets the limit of the throughput. So lets look at a few models here:

Block Image

Whats important here is to understand the limit is what ever C is so here its what your ISP & Modem can offer (250 Mbps). for discussion we are looking at this from flat connections (no MIMO). So if we look at a single band across all of the devices the limit of the WiFi channel then becomes the bottle neck (Fig-1). If we can leverage two independent bands between the extenders then the modem its self becomes the limit based on its WiFi AP (Fig-2). In the case of Fig-3 the chaining of one extender to the next becomes the limit here as the limit of the WiFi connection. As the bandwidth of A then becomes the limit.

So what you have for devices needs to be configured on such a way that the limit of any extender does not impede the data flow of the others. As the collective I/O while set at the limit of the modem and the ISP can’t be exceeded but the division of the available bandwidth of any one station could be impeded by other stations on its own extender of other extender combined if the WiFi network properly architected.

MIMO becomes helpful between the extenders and the Modem’s AP if each extender is using a different band (2 units). MU-MIMO allows more concurrent devices but it won’t help single antenna devices and not all dual antenna devices offer MIMO as well.

3x3 & 4x4 units allow for 3 or 4 MIMO streams, But, again the other stations using the same bands needs to be able to leverage it to take advantage.

So in your case you don’t have the needed equipment to leverage MIMO between the extenders and even if the stations are able to take advantage of MIMO to the given extender won’t gain that much as the downstream connection is limited by your older Modem’s WiFi AP.

OK what to do??

First you want to disable the Modems AP service as it offers nothing useful here. Instead we’ll use the Nighthawk X8 Router as your base AP that the other extenders connect to. You’ll need to get at least one more Nighthawk X4S Mesh Tri-Band Range Extender so the building is covered and you are able to use the 5 GHz band for your extenders to base AP so they all have a 3x3 MU-MIMO pipe to your base. Your users will use the 2.4 GHz band to access the extenders and base AP’s. This allows everyone to have equal access and no one will suffer bandwidth contention within the WiFi network. At some point you may need to upgrade your ISP’s connection and you may need to add a second Nighthawk X8 Router if your modems Ethernet connection is limited to 10 Mbps by the ISP firmware. Otherwise if it can support 100 Mbps or 1 Gbps you should be fine. The Netgear AC750 Range Extender might be useful if you have a dead zone but don’t expect too much from it.

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Jacob Solano wird auf ewig dankbar sein.
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