Chapter e23

Optical Wireless Security

Scott R. Ellis     kCura Corporation, Chicago, IL, United States


Optical wireless systems provide a high degree of physical security, if only because the signals are difficult to intercept. They typically take place high above ground. This, in and of itself, helps protect it from tampering and intrusion. Furthermore, optical wireless networking transmissions occur on the physical, or layer 1, level. Optical and copper cables are far more vulnerable to unauthorized access. The level of difficulty of interception of optical wireless signals that use narrow beam technology makes this form of network communication the most appealing choice for establishing communications between remote locations. This chapter ...

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