The radios that are used to facilitate communication by receiving and sending information are called 2 way radios. The most popular are walkie-talkie or CB radios. In fact, cellular phones are also classified as 2 way radios.
2 way radios can be used by companies as well as families or individuals. Individuals can use 2 way radios for instance when they have to camping. The 2 way radio will help them to keep in touch even if there is no network in their cellular phones. 2 way radios only need to be on the same frequency or on the same channel to communicate. This is why all 2 way radios should be set on the same channel before people go their separate ways. However the 2 way radios can only communicate over short distances if there is no center to enhance the transmission.
The 2 way radios to use over a long distance are the cell phones. Cell phone comes in handy when you have a problem far away from population or if you want just to communicate with your family. Since your land line can have occasional problems which affect their use, cell phones are better because they do not stay for long out of coverage.
If you need 2 way radios, you can visit any electronic retail shop or a specialty store. However if you do not want to move around various shops sampling all the 2 way radios available, you can use the internet to view all styles, features and prices for 2 way radios you want before going out to buy one.
2 way radios should be bought with a warranty, therefore make sure that you got one before coming out of the shop. The warranty should be between 3 months to 1 year. The warranty covers any repairs or any exchange of defective product during the time it is still valid. If you forget to get it and afterwards find out that there is a problem, they may refuse to do anything without providing the warranty. If you go with the warranty, make sure to keep it safe till its expiration date.
The 2 way radio is normally used in case of an emergency, therefore you have to test it before taking it out from the store and before every use. You do not have to test it when you already need to use it. Before you go out with the 2 way radios, make sure that you have also tested the distance within which they are able to communicate.