The monitor is a WI-FI-based baby camera and the live feed through Lollipop. However, if your home Wi-Fi crashes then this will not work because there's no way to get internet access on its own!
But luckily for you we have Network Diagnosis which helps diagnose networks so that might be helpful in setting up an environment where parents can view their babies easily without having any problems viewing them via smartphone app or computer screencast when they're away from home