Brian:

Glad you discovered Ubiquiti.

I use their products for APs and point to point links all over the ski area.  Great product! On a more complex installation, their management software is a godsend!

73 de W4SKI

On Sat, May 30, 2020, 5:57 PM Brian McCarthy <brian@rfacres.com> wrote:

Hi Ted,

I would never get all that stuff to fit back into the case. I was typing the other response when you sent this.

Your suggestions do lead me up a probable compromise, if simply unplugging the antennas is not enough attenuation. I could leave those internal antennas disconnected and put the gateway into it own Faraday cage. I would need to be pretty careful with the coax, ethernet and power connections to not allow any stray radiation. I would also need to ventilate it well enough to not kill it with heat. Those seem like easier problems to solve than fitting stubs and dummy loads into a tight case.

Thanks!

Brian

NX9O

On Sat, May 30, 2020 at 5:35 PM Ted Wood <ted@k4k.pw> wrote:

What about an IPX to SMA adapter cable like this:

https://www.amazon.com/GP-Electric-Pigtail-Antenna-Coaxial/dp/B06Y6CB2SX

in to an SMA dummy load like this:

https://www.amazon.com/DHT-Electronics-coaxial-connector-Termination/dp/B00BXUYDMM

73,
Ted


On Sat, 30 May 2020 09:15:01 -0400
Brian McCarthy <brian@rfacres.com> wrote:

> Here's an odd question, has anyone here on the list ever seen a
> source for IPX/U.FL dummy loads?
>
> Here's my challenge...
>
> I am trying to completely mute the WiFi signals coming out of an
> Xfinity XB7 Gateway. Disabling the WiFi in the software does not mute
> all signals. Setting the gateway into bridge mode does not mute all
> the signals. This device is still pumping out 3 hidden SSID with 3
> unique MAC addresses on 2.4GHx channel 1. It is messing with the
> balance of my home Ubiquiti WiFi mesh network.
>
> I would be using a third party cable modem, but I can save $20/month
> by renting the Xfinity box. (The box rental is $20/month but comes
> with unlimited data. To subscribe to unlimited data is $40/month.)
>
> Looking up the FCC ID and reviewing the internal photos of this
> gateway, I see 6 wireless antennas. They are all connected with the
> tiny surface mount connectors typical inside modern WiFi devices.
> They look like:
>
> [image: image.png]
> [image: image.png]
>
> I will try just popping the connectors off surface mount sockets, but
> I an not sure that will give me enough attenuation of the
> transmitter. If I could clip some small (inexpensive) dummy loads
> onto those connectors, it should reduce leakage even more.
>
> I would appreciate suggestions and sources.
>
> Thanks!
> Brian
> NX9O
> involuntary network administrator at RF Acres.
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