Integrated security management terminals must achieve chip-level integration to achieve miniaturization and low power consumption. They should include miniature devices such as radio navigation, inertial navigation components, and micro atomic clock components, ensuring no inter-system deviation and meeting interoperability requirements. Currently, the most feasible approach is integrating chip-level atomic clocks, micro-electro-mechanical systems (MEMS) inertial measurement units (IMU), and GNSS into a single PNT (Positioning, Navigation, and Timing) terminal. This integration combines various matched navigation sensors, chip-scale atomic clocks, computing units, and MEMS IMUs.

        Additionally, ultra-stable micro atomic clock units can provide synchronized time information for various matched navigation and inertial navigation systems. It is evident that in comprehensive security management, chip-level atomic clocks are indispensable core components.