This deals with the implementation of wireless communication systems in PLC for replacing the existing fiber optic cables which is currently used in the industries. We have given the idea on replacing the existing fiber optic system into wireless which reduces the cost abruptly. Then we also deal with the TESTBED for SCADA which gives a password protection to the existing SCADA design since SCADA system is not secured. This book mainly focuses on the security system of an oilfield, there we have tried to implement wireless communications on the security systems of the oil field like night...