A:AnswerYes you do need to buy the plan and hot spot device. You get a nice amount of data for the price an the hot spot has great 4G/5G signal as well
A:AnswerHonestly depends on what apps you are using, and how much Wi-Fi they actually need. Me and my husband share this and it lasts us about two weeks using it for 6-8 hrs a day.
A:AnswerI can use this Mobile Hotspot to connect to my laptop either indoors or on the road, It somehow does not work with my Gaming Computer. If it will work with your cameras, you have to try it out. Best of luck!