How a Digital Walkie Talkie Works?
The Digital Walkie Talkie is the best way to communicate other than cellular phones on the world market. These devices are still widely used by the military personal, police officers, public event organizers, etc.
You might be quite interested how the digital Walkie Talkie Works? A walkie-talkie is a hand-held portable radio which communicates wirelessly using the radio wave signals on single and shared frequency bands.
Each of the battery-powered units of the device contains an antenna and transmitter/receiver for sending and receiving of the radio waves. It also contains a loudspeaker that doubles up as loud as a microphone when someone talks into it. There is also a “push-to-talk” or PTT button for this purpose.
The loudspeaker/microphone of the device works following the same mechanism as that of the intercom. The microphone and speaker contains almost the same components viz. a magnet, a wire coil, and a plastic or paper cone to pick up and generate the sounds.
You can also use any single device to do both jobs by switching electrical circuit and reversing the current flow. Walkie talkies manufactured by big companies include separate microphones and loudspeakers. Thus, it is based on a very simple mechanism.
How to use the Walkie talkie?
Groups of People who talk on the digital Walkie Talkie donât need to tune into the same frequency band. Thus the Digital element of the Walkie Talkie. The radios of these walkie talkies are all receiving. Thus, the microphone/loudspeaker units work as a conventional radio.
If you want to talk with others via a walkie talkie, then you need to hold the push-to-talk buttonÂ on theÂ handset. After that, the radio becomes quiet as the loudspeaker switches over to the microphone.
As you talk into it, your words are converted into the radio waves and are then beamed out on a prearranged channel. Typical frequency of this channel is around 400 MHz. The radio waves are a part of the electromagnetic spectrum, they travel at the speed of sound.
The high-speed sound waves are very easily picked up by the other handsets. The radio waves are converted back into electric currents and are used by the loudspeakers to reproduce the sound of the voice of the person who is talking.
When the talking is finished, the talker says âoverâ and releases the âpush-to-talkâ button.
The radio now switches back into listening mode and someone else can talk. After this, the radio switches back into the listening mode.
The most distinct feature of the digital Walkie Talkie that makes it quite different from the normal radio is that it is a 2 way radio that is you can talk as well listen with the help of this device.
What are the benefits of using these devices?
The digital Walkie Talkie is a simple, robust and easy to use device for indoor as well outdoors. These devices are also very much suitable for the children as these are very light and easy to carry and handle.
The kids can keep in constant touch with their parents with the help of these devices. These are very much suitable for the business application purposes.
What are the major specifications?
A Digital Walkie Talkie is very convenient and weighs 100-200 grams and can work over a 5 to 10 square kilometer or 2-4 square miles. These electronic devices also have a very long battery-life of almost 20 hours.
The Walkie-talkies have multiple channels. So you can easily switch from one to the other easily. Some walkie talkies also have baby monitor intercoms.
What are the various parts of this device?
Variois parts of the digital Walkie Talkie include antenna, LCD displays, select buttons, monitor, menu buttons, loudspeaker, PTT button, volume control, on/off switch, microphone, LED indicators, etc.
The radio waves are sent and received by the antenna. The LCD display shows the channel number, battery life, etc., baby monitors are sometimes fitted within the device, the menu buttons are used to change the settings and functions of the device.
The LED indicate light glows showing that the channels are all busy.
The digital Walkie Talkie is offered at very reasonable and affordable prices by the best online shops. These are also very durable and flexible when in use. Therefore, it is a very useful telecommunication device for the people of all ages and backgrounds.