WLAN设备的传播损耗计算模型，主要是指以下：Devasirvatham模型，也称为线性路径衰减模型，可用于各种建筑材料2.4G电磁穿透损耗的经验衰减因子模型信号的穿透损耗在这个阶段。-Both WLAN propagation loss calculation model is mainly refer to the following: Devasirvatham model, also known as a linear path attenuation model, the attenuation factor model signal penetration loss at this stage are available for a variety of building materials 2.4G electromagnetic penetration loss experience.