Case Study: IM.Q802 Full Height Turnstile Deployed in a U.S. State Prison

As a critical judicial correctional facility in its region, a U.S. state prison faces core challenges including intense personnel management pressure, stringent access security requirements, and high demand for equipment durability. The prison's previously installed access control devices suffered from low identification efficiency, weak anti-tailgating performance, and vulnerable materials. An upgrade to a pedestrian access solution meeting high-security standards and adapting to the prison's unique environment became imperative.

Based on the specialized nature of the prison setting, the client specified clear requirements:

• Multi-modal Authentication: Integration of biometric and card-based identification to ensure unique traceability of individuals accessing the facility.
• Rugged Construction: Impact-resistant and corrosion-proof main structure capable of withstanding harsh environments and intentional vandalism.
• High-Security Anti-intrusion Design: Elimination of unauthorized access via climbing, crawling, or other means, plus seamless integration with the prison's existing security system for real-time data transmission and anomaly alerting.

To address these requirements, our company customized the IM.Q802 Full Height Turnstile solution, establishing a prison-grade access control system optimized across three core dimensions: identification technology, material craftsmanship, and security design.

The IM.Q802 integrates a three-mode identification module ("face + card + fingerprint") to accommodate diverse access scenarios within the prison :

• Facial Recognition: Equipped with industrial-grade dual infrared cameras, enabling fast identification under extreme lighting conditions (strong light, low light, backlight). Boasting a false acceptance rate (FAR) of <0.001% and recognition speed ≤0.5 seconds, it serves daily access needs for prison staff .
• Fingerprint Recognition: Features a semiconductor fingerprint sensor with anti-counterfeiting capabilities and a recognition rate of 99.9%, primarily used for authorization in privileged access channels for prison administrators .
• IC/ID Card Recognition: Compatible with ISO14443A protocol, supporting encrypted cards and CPU cards for temporary access authorization (e.g., maintenance workers, medical staff) .

These three identification methods can be used independently or in combination (e.g., "face + card" dual authentication). The system seamlessly interfaces with the prison's existing access control and personnel management systems, enabling real-time upload of access data and immediate alerts for abnormal behaviors (e.g., multiple failed recognitions, unauthorized entry attempts) to facilitate prompt response by backend administrators .

Tailored to the prison's harsh environment, the IM.Q802 features a 304 stainless steel body treated with triple surface processing (polishing, pickling, passivation):

• Impact Resistance: The 2.0mm-thick frame and 50mm-diameter turnstile bars withstand lateral impact forces up to 1500N, effectively resisting intentional vandalism .
• Corrosion Resistance: 304 stainless steel provides excellent resistance to acids, alkalis, and moisture. Even in humid areas such as near prison restrooms or semi-open outdoor zones, it prevents rust and deformation, ensuring a service life exceeding 10 years.
• Easy Maintenance: The smooth stainless steel surface resists dust and stains, requiring only water for daily cleaning—significantly reducing long-term maintenance costs for the prison.

As a full-height turnstile, the IM.Q802 incorporates multiple anti-intrusion optimizations to ensure absolute access control security:

• Fully Enclosed Structure: Standing 2200mm tall with one-way rotating bars, it eliminates gaps for climbing or crawling, completely preventing unauthorized crossing or intrusion .
• Mechanical Anti-reversal Function: Equipped with a precision gear drive system that only permits one-way rotation after successful authentication. Reverse force applied to the bars triggers automatic locking and on-site alarms.
• Infrared Anti-pinch Protection: Six pairs of infrared sensors installed on both sides of the turnstile detect personnel  or unauthorized tailgating attempts. The system immediately pauses bar operation to prevent injury while activating audio-visual alarms .

Since its installation and commissioning at the U.S. prison, the IM.Q802 Full Height Turnstile has operated stably for 12 months, delivering three core values:

Staff using "face + card" dual authentication complete access in under 1 second—representing a 60% efficiency increase compared to the previous system and eliminating congestion during shift change peaks.

No security incidents involving unauthorized gate crashing or crossing have occurred during operation. The anomaly alert response time is ≤3 seconds, allowing backend administrators to instantly retrieve on-site footage for  —dramatically reducing the prison's security management burden.

Withstanding tests of intense sunlight, heavy rain, and high humidity, the equipment maintains 99.8% operational stability. Minimal maintenance requirements have generated substantial long-term cost savings for the prison.

This project not only demonstrates the performance capabilities of our IM.Q802 Full Height Turnstile in high-security scenarios but also provides a replicable access control solution for judicial and correctional facilities worldwide. Moving forward, we will continue to deepen our expertise in pedestrian access control, delivering customized, high-quality access security solutions to clients across more industries.

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