Is the transmission distance of the wireless bridge related to the antenna?

When purchasing a wireless network bridge, many people are very concerned about the transmission distance of the wireless network bridge and think that the performance of the long transmission distance is better. So how far is the transmission distance of the wireless bridge? What factors affect it?
      Generally speaking, the transmission distance of a wireless network bridge ranges from 1 to 100 kilometers, and the more commonly used one is between 2 to 5 kilometers. Other distances are also useful, but the requirements for equipment are relatively high.
       The transmission distance of the wireless network bridge is affected by many factors, such as the quality of the wireless network bridge itself, antennas, obstructions, and installation location.
       A high-power, high-performance wireless network bridge theoretically can reach 120km, even 200km, but in practical applications, affected by the radius of curvature of the earth and installation height, 50~80 km is a more practical distance. It also depends on whether there are any obstructions or obstacles. Wireless network bridges propagate through electromagnetic waves. Once obstructed, the loss will be very serious, and naturally it will not be able to transmit far.
      In addition, the antenna is also a very important factor. Antennas can be understood as transmitting power. A pair of 12dbi directional antennas can achieve 2km point-to-point microwave interconnection, and 27dbi directional antennas can achieve 10km point-to-point microwave interconnection. It can be seen that the greater the power, the longer the transmission distance.
      In addition to the factors that affect the transmission distance of the wireless bridge, the actual transmission distance depends on the specific use environment. If the environment is good, open, and the weather is good, the transmission can be far away, and if the environment is bad or bad, the transmission distance will be shortened accordingly. I have tested it with Fengrunda wireless bridge on the spot. When the antenna is fixed, obstacles and installation position have a greater impact on the distance.

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