首先简单介绍IEEE 802.11系列的主要标准并提及其中使用的一些物理层技术。
Firstly, introduction of main standards of IEEE802.11 series were simply presented and some main technology of physical layer were mentioned.
此产品已经出口到欧盟，日本，美国，亚洲等。在物理层和微生物的水平能达到出口的标准。
This product has been exported to EU, Japan, USA, Asia etc… The physical level and microbiological level can meet the export standards well.
像ISDN和dsl, HSSI运营网络的物理层，使用标准的开放系统互连(osi)模型。
Like ISDN and DSL, HSSI operates at the physical layer of a network, using the standard Open Systems Interconnection (OSI) model.
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