When the network of your cellphone is down, and you are also not able to access the internet. IF 911 is overloaded and power is cut. Then you would not be able to communicate when everything fails. Below we have a breakdown of the survival radio frequencies. You cannot simply rely on cellphones and the internet for communicating in an emergency. As these communication channels mostly depend on data and the electrical grid.
Red Cross and FEMA are always depending on the local hams for spreading the important info. In 2017, when devastating hurricanes have knocked out the communication of Puerto Rico, then operators of the ham radio have sprung into action and have established contact with various rescue agencies. There is the countless situation like this where communication can make the difference in the life and death of a person. What If you are 10 miles away from work and when disaster strikes in your home, or you got some medical emergency in camping? The trucker cliché CB radio which are is a very cheap walkie-talkie can be purchased and use by anyone. These are very useful in emergency survival scenarios.
Ham radio which is an Amateur radio is the best way for preparing and keeping contact with your loved ones in an emergency. Ham radio seems to be a little technical, expensive, and also complicated. Some of the above-mentioned things can be easily justified because the ham community has not been prepared to use easily by the people. They have not made things simple and there are also too much technical jargon and arguments related to it which do not matter to most people. Ham is operating in the market for the last 100 years and there are millions of license operators all over the world.