The New and Improved Moat









Tattletale Fencing


Leaky Coax





Mircrowave: Oldie but Goodie









Infrared and Vibration Detection




Cameras Work Where Others Don’t
















Dave Shelton is president of D/A Central Inc., a 47-year-old systems integration company serving Michigan and the northern Midwest. D/A Central is also a member of SecurityNet Inc., an international network of systems integrators closely interacting to serve national-level clientele with local attentiveness at every location.

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