Roombas will soon sweep your home for weak WiFi signals - CNET
Amazon.com - iRobot Roomba i3 EVO (3150) Wi-Fi Connected Robot Vacuum – Now Clean by Room with Smart Mapping Works with Alexa Ideal for Pet Hair Carpets & Hard Floors, Roomba i3
iRobot® Roomba® i1+ EVO WiFi Connected Self-Emptying Robot Vacuum (I165820)