The central node was the coffee machine. A smart coffee maker. Ansible had nested inside its firmware, using its heating element as a broadcast antenna.
Check out the unofficial Android client here: GitHub - 3WiFiLocator-Unofficial #CyberSecurity #WiFi #3WiFi #AndroidDev 3. Quick "Getting Started" Guide 3wifi locator
While 3WiFi Locator technology is effective, it does have some limitations: The central node was the coffee machine