SDC Security Door Controls BB1D Retrofit Back Box

SDC Security Door Controls BB1D Retrofit Back Box

Overview

The SDC BB1D is a retrofit back box controller designed for integration into existing door access installations. This controller supports OSDP communication protocol and accommodates NFC/13.56MHz credential types, making it suitable for modern proximity and keypad reader deployments. The retrofit form factor allows installation in existing infrastructure without full system replacement, reducing integration costs and deployment timelines.

Compatibility

The BB1D interfaces with proximity readers and keypad input devices operating at 13.56MHz NFC frequencies. OSDP protocol support ensures compatibility with modern access control systems and certified reader ecosystems. Integrators can deploy this controller as a field retrofit where existing electrical and structural constraints limit full controller replacement options.