Options to consider for Emergency Communications

1-Telephone
2-Cell phones
3-Amateur radio
4-Satellite phones
5-Fax
6-Email (Internet)
7-Citizens band
8-Personal contact
9-Varied handheld phones (limited range)

Each one of these may have advantages over the other, and each of them have their own limitations. Remember, that your communication source is only as good as your power source.