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The design and implementation of a security wireless sensor network capable of detecting physical intrusion was achieved following a survey of personal area networks and mesh networking. The security network engaged sensor nodes fortified with motion sensors and accelerometers. The sensor characteristics were analyzed and found useful for the design of security wireless sensor network in Cross River State Emergency Response Centre (ERC), in the Federal Republic of Nigeria, for examining and optimizing the State’s environs. Technology trends that influence the advancement of such networks are reviewed and new applications such as infrastructure security, tracking and technical challenges in sensor network advancement including network discovery, control and routing, collaborative signal and information processing, tasking and querying were highlighted. Assessment of the comparative use of Destination-Sequence Distance Vector (DSDV) and Ad Hoc On-Demand Distance Vector (AODV) protocols for improved performance in packet, average end-to-end delivery and residual energy per node respectively, has been presented.