Sub-1GHz wireless communication technology offers significant advantages, including long transmission range, strong obstacle penetration, robust interference resistance, low power consumption, and high flexibility. It is well-suited for challenging scenarios such as remote base station deployment (agriculture, forestry, livestock, mining, and petroleum), long-distance communication with strict power requirements (environmental monitoring, smart meters, building security, satellite communication, vessel tracking), as well as high-demand applications for information security that necessitate private or dedicated networks (industrial IoT, robotics, government and enterprise campuses, smart cities). These capabilities make it ideal for complex IoT wireless communication environments.