Responsible for the accreditation and control of 34,000 people and 4,000 vehicles, Técnica Comercial Vilsa S.A. (T .C. Vilsa) could not afford any mistakes during its mission to provide secure physical access control and attendee registration for the 2012 G20 summit in Los Cabos, Mexico. With the knowledge from thirty years of experience in providing high profile security, T .C. Vilsa turned to Ultra Electronics Card Systems to provide the ident

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