I have one for my IPad......so I think you can get one for an IPhone. My IPhone is a series 4s.....so it's different than current models...and different than my IPad.
seems to me this would work in a zero cell phone coverage, the wifi card would send the signal to your smart phone, no cell tower needed when you check the camera.
Well...im a high tech red neck now! LOL
Took a minute to figure out the setup, but good to go now.
Think it will work good. I'll see after a few weeks.