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Hi.

Let me conclude:?
1. You have a huge house with many WiFi components (only talking about

?? that what is running over WiFi).
2. You have a very high number of WiFi components.

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Phones (1900 MHz) are relatively similar in behavior, but running on other band, so the same thoughts apply there (partially) too.

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I installed many WiFi networks in my life, but I would never go above 30-40 clients on one Access Point (AP). More clients may work, but with huge impact on throughput, but it is also possible that the accesspoints cannot handle that number of MAC addresses.
I would also never install wireless repeaters (only repeating over WiFi). Every intermediate repeater reduces the throughput, so when you have 3~4 cascaded ones the construct can become very unstable ...

I know that there are standards like 802.11r.? Such routers/APs support mesh radio (so they transparently hand over moving clients.? But a warning, I (still) have a few WiFi cameras in use that do not support that. Even worse, the cameras do not connect to this Mesh-WLAN and I had to define a separate VLAN without "r" especially for them.?? I doubt that every little smarthome device will smoothly support Mesh WLANs.

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So I would start with having a close look on number and location of APs to not have too many devices connected to a particular AP. In worst case you need to add more APs and lower their signal level to make radio cells smaller.

And use copper backbones (connect every AP to the LAN switch by an individual LAN cable). Copper is LOTS faster than WiFi, and this way you also eliminate concatenated APs/Repeaters.

This is how I would start with.

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Hope this helps you locating possible weak points.

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Rainer

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Am Dienstag, 1. April 2025, 12:14:34 CEST schrieben Sie:

> What do you call close proximity ? This is a 4600 sq ft home on 3 levels

> indoors. There are many smart bulbs outdoors as well. The devices are not

> all close to each other. There is a fair amount i can turn off, but without

> flipping breakers it's not likely go to much below 150 count.

>

> As I listed in my OP, the various devices operate in a variety of bands.

> They should not interfere with devices in the other bands. My theory is

> that some of them may have defective radios and interfere with bands they

> aren't supposed to operate in. I suspect this especially because many of

> the devices were bought used, not new. Some of the smartbulbs for example

> don't have working BLE, only Wifi, even though they are supposed to have

> both. This makes them difficult but not impossible to setup. I have been

> removing these half working bulbs. But there could be other sources of EMI.

> There are 2 EV chargers, 70 solar panels, 70 micro-inverters. Any of them

> could have an effect on EMI. I am not an EE, and I just don't know to what

> degree and at what distance. I thought a tool like the tinySA could help

> map where interference might be coming from location wise at least , if not

> device wise.

>

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