Walkie-talkie is a wireless communication device that works without wire or internet that provides communication facility between two or more users. Its main mechanism of working is wireless radio communication. Walkie-talkies are commonly used in a variety of settings including outdoor adventures, events, construction sites, security teams, and emergency situations. Walkie-talkies provide a reliable and quick means of communication, especially when cellular network or Internet connectivity is limited or unavailable.
These components together make up the network.
microphone: The user speaks into the microphone, which converts sound waves into electrical signals.
Transmitter: The transmitter takes electrical signals from the microphone and converts them into radio waves. It modulates radio waves with sound signals to carry audio information.
Antennas: The antenna transmits the modulated radio waves into the surrounding space in the form of electromagnetic radiation.
receiver: The receiver of the other walkie-talkie unit picks up the broadcast radio waves through its antenna.
Demodulation: The receiver demodulates the received radio waves, extracting the sound signal from the carrier wave.
Speaker: The sound signal is amplified and converted back into sound waves by the speaker, which allows the user to hear the broadcast audio.
Battery: Walkie-talkies are powered by rechargeable or replaceable batteries. Battery life varies depending on usage and can be extended by using power-saving features and by carrying extra batteries.
The range of walkie-talkie may also be different
This process is bidirectional, allowing communication between multiple walkie-talkie devices. Each device receives the transmission in turn, allowing back-and-forth communication. It is important to note that walkie-talkies operate within specific frequency bands specified for radio communication. Communication range can vary depending on factors such as power output, antenna design, obstructions, and environmental conditions.
read this also
Kodak launches army of TVs, models ranging from 32 to 75 inches in size, know the price and features