Want to increase the communication transmission distance of the wireless module

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Want to increase the communication transmission distance of the wireless module [Copy link]

The wireless module uses wireless technology to transmit wireless data. Due to its advantages of good adaptability, short construction period and good expansibility, it has replaced the wired communication method in some data communication systems. During use, some users found that the transmission distance of the module was less than the distance described in the product introduction, resulting in insufficient distance and inability to use it normally. This article will introduce some methods to increase the communication transmission distance of the module. The communication transmission distance of the module is related to the following factors: antenna, receiving sensitivity, air rate, transceiver environment, wireless voltage and battery capacity. 1. Use a high-gain directional antenna. Antenna gain is one of the most important parameters of the antenna and is very important to the operation quality of the wireless communication system. Using a high-gain antenna can increase the signal coverage range or enhance the model strength within a certain range. The higher the antenna gain, the better, and the smaller the standing wave ratio, the better. 2. Obstacle removal. The obstruction of obstacles has a greater impact on the transmission distance of the module. If there are metal obstacles, building walls, mountains, trees, etc. in the use environment, the wireless signal transmission will not be ideal. Therefore, we can adjust the position of the wireless module, such as offset or heightening, so that the transmission distance of the wireless module will be farther. 3. Increase the transmission power. Generally, the greater the power, the longer the communication distance. 4. Adjust the appropriate air rate. The higher the air rate, the closer the communication distance, and the higher the packet loss rate. In addition, if you want to achieve ultra-long transmission distance, we recommend using a module with LoRa modulation mode. This module has strong anti-interference ability and has a strong ability to suppress co-frequency interference; secondly, it has low power consumption and can be used for a longer time in projects that require battery power. Finally, it has high confidentiality and is unlikely to be intercepted.

懒猫爱飞

Nice summary, thanks for sharing!