
Access Control
HID · Smart Card Readers
HID OMNIKEY 3121 USB Smart Card Reader
The HID OMNIKEY 3121 is a high-performance USB smart card reader designed for desktop use. It supports a wide range of contact smart cards and offers easy plug-and-play installation through native CCID drivers. With its durable housing and flexible vertical or horizontal mounting options, it is ideal for secure authentication, online banking, digital signatures, and enterprise smart card applications.
Specifications
- Interface
- USB 2.0 Full Speed, USB Type-A
- Smart Card Type
- Contact smart cards, ID-1 full-size
- Smart Card Interface Speed
- Up to 420 kbps
- Supported Protocols
- T=0, T=1, and synchronous card protocols
- Cable Length
- 1.5 m
- Dimensions
- 80 × 67 × 28 mm
- Weight
- 110 g (reader only)
- Operating Temperature
- 0°C to +55°C
- Warranty
- 2-year manufacturer warranty
Key Features
- Contact Smart Card Compatibility: Supports a wide range of contact smart cards
- Easy Installation: Uses native CCID drivers without requiring separate driver installation in supported operating systems
- Flexible Mounting: Supports vertical and horizontal desktop configurations
- Broad Compatibility: Works with major operating systems and PC/SC-compatible applications
- Reliable Performance: Supports high-speed smart card data transmission
- Standards Compliance: Supports ISO 7816, USB CCID, PC/SC, and HBCI
- Energy-Efficient Operation: Supports power management for low-energy operation
Applications
- Secure User Authentication
- Online Banking
- Digital Signature Applications
- Electronic ID Verification
- Enterprise Smart Card Systems




