The process of wireless signal transmission is very simple. WiFi signals radiate into the surrounding space through the medium of the router antenna, and the router antenna has a great influence on the signal strength of WiFi. A wireless router transmits radio frequency signals from a radio transmitter through a feeder to an antenna, which radiates as electromagnetic waves. When the electromagnetic wave reaches the receiving point, it is picked up by the antenna, receives only a small amount of power, and is sent through the feeder to the radio receiver. Therefore, in the wireless network engineering, it is very important to calculate the transmitting power of the transmitting equipment and the radiation capacity of the antenna. In the wireless network environment, the antenna can enhance the wireless signal, so we understand it as a wireless signal amplifier. One of the basic functions of a transmitting antenna is to radiate the energy obtained from the feeder into the surrounding space. Another approach is to radiate most of the energy in the desired direction. Antennas have different radiation or reception capabilities for different directions in space. Antennas can be omnidirectional and directional, depending on their directionality. Routing omnidirectional antenna: Antennas that do not have maximum directional radiation and receive on the horizontal plane are called omnidirectional antennas. Because omnidirectional antenna has no directivity, it is often used in the center station of point - to - multipoint communication. For example, if you want to establish a wireless connection between two adjacent buildings, you can choose this antenna.
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