This section provides an overview for simple radio as well as their applications and principles. Also, please take a look at the list of 9 simple radio manufacturers and their company rankings.
Table of Contents
Simple radio is a commercial radio that can be used for basic applications.
They are divided into fixed, vehicle-mounted, and portable types according to their form, with the portable type generally referred to as a walkie-talkie.
Unlike cell phones, simple radio can transmit to multiple people at once by sharing a channel in advance. They can also be used in out-of-range areas and can transmit immediately at the push of a button, eliminating the need to enter phone numbers.
Thus, simple radio is excellent for those who want to keep in close contact with predetermined members of a group.
A simple radio is used by numerous companies, regardless of industry.
When running an event, a single transmission can be used to communicate with all staff members, facilitating a smooth process.
Other advantages of simple radio include the ability to transmit and receive even when the scale of the event is large and staff members are far from each other, such as at music festivals.
They are also suitable for sporting events such as marathons and walkathons, where athletes and staff must travel extensively. In addition to enabling reliable and prompt communication, the simple system also offers excellent security.
Simple radio can send and receive messages to specific members of the public by pre-setting the channel.
Those connected to an IP network can automatically switch to a relay station channel when moved and continue to be used; hands-free data communication via Bluetooth is also possible.
The knobs for increasing and decreasing the volume and for switching channels are independent, allowing for reliable and quick transmission and reception.
Some are also equipped with recording and noise cancellation functions, allowing users to confirm what they have missed and reduce ambient noise.
In addition, some can display the longitude and latitude of their own station and transmit and receive location information. In this case, the receiver can check the direction and distance from the home station to the other station.
Specified low-power transceivers do not require registration or licensing.
However, due to their low output power, they have a communication range of about 500 meters. Lightweight and small enough to fit in one's hand, they are easy to carry and can communicate for long periods of time with a single dry cell battery. On the other hand, it is difficult to communicate indoors between walls and outdoors.
*Including some distributors, etc.
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