Radios that can receive and transmit communications are known as 2 way radios. Some common examples are walkie-talkies, CB radios and even cellular phones. While these products are very different in nature, they are common in that they receive and transmit communication and are classified as 2 way radios.
There are many uses for 2 way radios, including a camping trip with the family where walkie talkies help everyone to stay in touch. When in the wilderness, a cell phone is not likely to have a signal and this is why walkie talkies are so helpful. If individuals should get separated from one another while camping, having a way to remain in communication is invaluable. In order for 2 way radios to work, individuals must be on the same frequency or channel to communicate. Before separating, families should make sure that everyone is on the same channel incase the devices are needed.
The uses of other 2 way radios, such as cell phones, are more obvious. Car problems while out on the highway can be a major issue unless you have a cell phone to keep you in contact with the outside world. In addition, landline phones often have problems and may be out of service...