Project BackgroundWith the advancement of transportation and construction technology in China, tunnel construction is becoming increasingly common, and the application fields and depths of underground tunnel engineering are constantly expanding. Various types of underground tunnel engineering are vigorously developed, which can effectively alleviate the contradiction between economic development, especially urban development, and the shortage of national land resources in China. During the construction process of the tunnel, in order to address personnel communication issues and detection and monitoring data transmission issues during the construction process, Bodaqun has launched wireless solutions that can solve the problems of internet access and data transmission within the tunnel.Transmission SchemeThrough broadband access to the engineering center outside the tunnel, wireless devices are designed and installed at the tunnel entrance, and data is transmitted to the inside of the tunnel or to the engineering center outside the tunnel through cascading. As the construction depth of the tunnel continues to advance, corresponding equipment can be added at any time to ensure data transmission.The 01 device is equipped with AP function, providing WiFi internet access for products that support wireless in the tunnel (such as mobile phones, computers, etc.).The installation point of equipment in tunnel 02 can access cameras, monitoring and detection data, and transmit them to the engineering center through cascading.◆ Transmission scheme diagramProgram Features01 Flexible networking;02 has strong anti-interference ability;03 Industrial grade equipment, stable transmission;04 has a large coverage range;