We talked about signal jammers a few pages back--with much info including websites you can buy them, types, range, etc.
It doesn't necessarily imply too much sophistication as anyone can get one and simply flip it on (not very tech savvy, it just emits an overload of signals that jam multibands; wifi, cellular, GPS. A colleague of mine sees them in South Africa in home invasions used by 17 year olds all the time.
This all started when the neighbor said they didn't have Ring cam footage from the night in question and speculated on it.
FBI investigators reportedly ask neighbors about internet outages during Savannah Guthrie's mother's abduction, sparking Wi-Fi jammer speculation.
www.foxnews.com