The SDC 920 EntryCheck™ series consists of stand alone digital keypads designed to control access of a single entry point for facilities with up to 500 users. Each user is assigned a personal identification number (PIN). Keypad entry of a valid one to six digit code activates one or both of the output relays which releases an electric door lock. Optional Prox Readers are available for selective models.

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Security Door Controls
SDC is a Quality Management Certified manufacturer of premium grade access control hardware specified by security consultants for prominent facilities worldwide. SDC has been providing intelligent solutions for Security, Safety & Accessibility to the Industry for over 40 years.