Physical Layer 物理层

router

•RF Specifications 射频规格
–Operates in 2.4 GHz ISM band 在2.4 GHz的ISM波段操作
–GFSK modulation
–40 channels with 2 MHz spacing 40个通道

•3 fixed advertisting channels for broadcasting, which avoid 802.11 interferance   3个广播通道
•37 adaptively frequency hopped dynamic data channels   37个数据通道
&#8226hysical layer can be combined with standard Bluetooth RF in a dual-mode device 物理层可以结合标准蓝牙在双模装置
•2 MHz spacing allows for better adjacent channel rejection 2M赫兹的间隔

总结：该层主要带有无线发射模块