I've been getting a weird Ka alert from my stinger. Directional alerts confirm it's coming from a pizza place. I just got used to it. Recently I installed a wifi router in my garage (Ubiquity UAP-AC-PRO), now I get a Ka alert from my garage whenever on my driveway, I am assuming the pizza place Ka is also a WiFi access point. Is this a known issue? Are wifi routers causing false Ka warnings on other detectors?