A:AnswerNo. You're accessing the video from your phone's data connection to the Internet. It would be the same as accessing it from someone else's WiFi.
A:AnswerThis Kasa Spot Indoor camera connects exclusively via 2.4GHz WiFi. If your WiFi system/router supports 5GHz, in most cases it should be dual-band capable, and also offer the option to broadcast 2.4GHz.
A:AnswerYou do not need a SD card for live time viewing. You need the SD card if you want to record the activities. The sd card gives you the ability to go back and review the recordings
A:AnswerTheoretically there is no limit to the quantity of Kasa devices you can add to the app; however your router's capabilities will play a role in how many simultaneous connections it can handle.
A:AnswerI use I phone for viewing on a different wifi and just cell device also use a iPhone with no service to view via hot spot wifi so you should be fine just make sure you register device within a month for notifications keep receipts for proof of purchase necessary. enjoy