Hi, there is no 3 pole switch yet, while there are some smart switches available now. https://www.tp-link.com/en/products/list-5622.html For the Samsung SmartThings Hub and GE switches, not sure...

Please try to disable the firewall on the main router to have a try. Meanwhile, it is suggested to enable DMZ for the cameras on the main router to do a comparison analysis.

Hi, please download the tool below to update the firmware manually to give it a go. http://support.tp-link.com/f/ac266e7cec/?dl=1

From the current situation, it seems that there is something wrong about the physical installation. Below are the setup instruction: https://www.tp-link.com/us/download/HS210-KIT.html#video...

1. First, ensure that the wifi light is flashing amber and green; if not, you can reset it: with the plug powered on, hold the settings button for 10s. 2. Then you can follow the instruction below to...

To connect it to an existing wifi network to boost wifi signal, you can configure it as a repeater or bridge mode. Below are the setup instructions: https://www.tp-link.com/en/faq-1880.html or...