How do I verify that my new Pods are actually boosting the signal

See if the "dropout" problem is better / gone ?

I'm still experiencing dropouts.

After contacting Xfinity Executive Relations, they had a local field supervisor contact me.  He was more knowledgeable than any Comcast customer care rep I've ever spoken with.  However, he couldn't fix the problem with the intermittent dropouts.  To check the status of the Pods, he guided me to an Apple app called AirPort.  This measures the strength of your WiFi signal - more specifically each MAC associated with your network.  What the field rep thinks is going on is there is a lot of noise going on in my neighborhood such that it is disturbing my signal.  One theory he has is that one of my neighbors is using a booster and that is specifically interfering with my WiFi.  But this doesn't explain why my network goes completely down for a few minutes every now and then.  

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@chilak wrote:

One theory he has is that one of my neighbors is using a booster and that is specifically interfering with my WiFi.  But this doesn't explain why my network goes completely down for a few minutes every now and then.  

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If the booster (or any other device) is active, it could cause overlap with your network and, a momentary disruption in WiFi is a symptom of such conflict. 

It may not even be a booster - it could be a device in your home such as a Bluetooth headset, microwave oven, cordless phone, baby monitor, USB 3.0 hard drives or devices, TV or computer monitor, others, that may be causing interference. 

Also, the function of a mesh system like the xFi Pods isn't necessarily to "boost" your signal, but to expand it to areas in your home where you may not be able to reach your wireless gateway otherwise. 

Re-closing this year old dead thread that was improperly re-opened by the new forum software / platform. A known issue that is being worked on.