HID 3251PNNMN 16K/2 iCLASS SE Key, SIO Programmed, Sequential Matching Encoded/Printed (Inkjetted), Black with HID Artwork

Secure, interoperable access control made portable. The HID Global iCLASS SE 16K/2 key fob delivers enterprise-grade credential protection and easy user deployment for physical security, monitoring, and access workflows. SIO-programmed and part of the iCLASS SE platform, this contactless key fob uses 13.56 MHz communication and a 16K/2 (2 KB) secure memory area to store encrypted identifiers and application data, enabling fast, reliable reads at high-traffic entry points. Housed in a rugged ABS/TPE casing with a hole-punched design, the compact key fob resists cracking and environmental stress while hanging comfortably on a key ring or lanyard. IT and security teams benefit from technology-independent security, mutual authentication, and simplified credential distribution across readers and controllers—reducing administration overhead and improving overall system integrity. Ideal for corporate buildings, healthcare, education, and transit, the HID 3251PNNMN key fob helps organizations strengthen monitoring and surveillance through trustworthy identity management. Request samples or add custom artwork to match your badge program and upgrade your site’s access control today.

• Enterprise-grade encryption and SIO programming protect credentials and prevent unauthorized reads, reducing risk in access control and security operations.
• Compact, durable design (ABS/TPE) and hole-punched form factor withstand daily wear and harsh environments while fitting easily on key rings or lanyards.
• 13.56 MHz contactless communication with 16K/2 (2 KB) secure storage supports fast, reliable reads for busy entry points and high-traffic monitoring systems.
• Interoperable iCLASS SE platform compatibility simplifies credential management across readers, controllers, and physical security systems.
• Passive, battery-free operation and lifetime-limited warranty lower total cost of ownership and minimize maintenance for large deployments.