Depending on the kind radio communication codes trip and activity that you have in mind, your camping provisions should be more or less the necessary items that you are likely to need for outdoor survival. However, this doesn't mean that you'll have to bring along everything that you used to enjoy at home. That sounds more like hauling your house and setting it up on a camping site. Be reminded that in a camping expedition you are to commune with nature and not simply to get yourself pampered.
Take a course in CPR (cardiopulmonary resuscitation). There are many places which give this training for free. If you have several members of your family living with heavy duty walkie talkies you have them take the training also.
The second most important thing is to keep within reach items that can assist in helping you during an emergency. A cell phone, 2 way radio, flashlight, and first aid kit are good examples. If you're away from home keeping these items in your car would be beneficial. If you don't have a car, or are a good distance from it, consider a small backpack, or purse that can hold these items.
The National Oceanic and Atmospheric (NOAA) operates a collection of transmitters across the country that continually broadcast weather information and also broadcast alerts and emergency information related to various situations. A special kind of radio is required to pick up these broadcasts. A good weather/alert radio with SAME technology can be programmed for your local county so that you receive alerts whenever there is an emergency situation close by.
Any standard restaurant will have sufficient coverage with a 1-Watt UHF radio. Any wattage beyond that is not useful, unless you plan to go off site as well. In this case, you may want to look into a 2 or 4 watt walkie talkie.
We can almost assume that no one is really prepared for such events especially if we are caught off guard by them. The basic premise for surviving such events comes down to keeping your composure. Remember that the only thing to fear is fear itself. You may be thinking, that's easier said then done. In fact, it is easier said then done. If panic sets in during a natural disaster it could be detrimental to your survival and maybe to others around you as well.
The models 2 way radios motorola walkie talkies that look childlike will not fly for preteens and up. So, in comes the big boy/girl cell phone (a regular cell phone) with Ace Comm's Parent Patrol. For an added cost of 2 - 5 dollars a month (on any participating plan you choose) you can control how many minutes and texts your child uses and set hours which are off limits. You can also block numbers and filter inappropriate content from the mobile Web browser. This is a great tool to use to teach your kids how to balance their minutes.
For cellular technology a city requires a good number of base stations. This can run into some hundreds of towers. But because of the huge number of users costs per head remain very low. Each carrier has one centre called MTSO or Mobile Telephone Switching Office. Its work is to see to all the connections.
Try to pack your winter hydration pack the night before your day in the snow. This will give you a bit of extra time to remember things that you might two way radio reviews. Try to think about what you might need in the event of an emergency or if you should somehow end up off the trail and lost. Your pack should not only be a comfort item but also a survival item in the event you are stranded for a short while and must await help.