Two-way radios are devices that allow people to talk to each other in emergency situations, and for other purposes. They can be used in personal situations such as a family emergency or for an employee in an office environment. Business uses such as paging are also common.
Radio communication is a popular method of communication, but there are also disadvantages to using it. Some examples include that you cannot talk and listen simultaneously, and that you are limited to transmitting a single message. Two-way radios can be made to fit specific frequency ranges. They are typically tuned to different frequencies. There are different kinds of radios.
For example, there are digital, analog and FM. Digital is The best 2way radios superior when there are multiple users. If a user leaves a radio station, another user is allowed to take their place. Another advantage of digital radios is that you can use them with digital devices such as televisions and computer monitors.
With analog radios, only one person can use the same channel at a time. One disadvantage of analog radios is that you cannot listen and talk simultaneously, or send a signal without using a transmitter.
You must be able to transmit to receive. This means that if you are using a voice communication system, only one person can speak at once. You can only use one channel.