There are some very simple errors but for me it is extremely complicated, that is the frequency error of the radio station, to listen and find the station of each region we need the channel frequency.
Radio frequency (RF) transmission refers to an electromagnetic wave used in communication, whether one is talking about cordless or corded phones. Unlike sound waves that rely on the diameter and speed of the transmitter to pass through barriers and produce sound, radio waves are not affected by objects such as walls. Radio frequency (RF) waves are a type of electromagnetic radiation that defines distinct radio frequencies between 3 kHz and 300 GHz. These waves are typically emitted by electronic devices such as radar guns, cell phones, and personal digital assistants (PDAs). RF waves can also be transmitted through cosmic rays, through optical fibers, and over wireless network cables.
In addition to the radio waves mentioned above, an individual can also generate his or her own radio frequencies by generating an electromagnetic signal using a transceiver and transmitter on the receiver. The retransmitted signal is subject to external obstacles, such as walls or other obstructions. However, the ability to receive RF signals without any external interference remains, as long as the receiving device has the necessary skills to process the radio frequency signal. In addition, some RF transmitters generate their own radio frequencies without using any external power source.
Since radio frequencies are widely used in different industries, it is imperative that manufacturers differentiate their products according to specific purposes. For example, for communication purposes, radio frequencies are often classified according to the frequency band in which they are used. In general, people should avoid using lower or higher frequencies for general communication purposes, as RF energy can be absorbed by mobile phones and may cause interference. Furthermore, some higher frequencies generate sub-waves after they have been demodulated, thus rendering them unusable for communication purposes. RF transmitters can be used to generate their own radio frequencies thus avoiding all the aforementioned problems such as those mentioned above.