Walkie talkies are great as a form of communication during emergencies and can be quite reliable. They can be an excellent replacement for cases of emergencies when phone and network lines are down. This is because they rely on radio waves to communicate and it also functions on batteries which can be easily swapped with any other household items that uses batteries. The modern brands and models have additional nifty features that can be a lifesaver during emergencies. These includes VOX activation, weather alerts, SOS signals etc.