HID - Omnikey 5321 USB Desktop Reader
USB Smart Card Reader

The OMNIKEY® 5321 represents the ideal combination of contact and contactless technology in a single device. Featuring a dual-interface PC-linked reader that reads/writes to both a 13.56 MHz contactless smart card and virtually any contact smart card, the OMNIKEY® 5321 economically supports end-user environments where both contactless and contact smart card technologies are used. Utilizing contactless smart card technology for PC-linked applications, the OMNIKEY® 5321 device allows users to experience the convenience, speed and security of contactless technology for applications, including logon to Windows®, networks, web sites and applications for the secure storage of user names, passwords and personal information.


  • Secure authentication device for logging on to PC or IT infrastructure
  • Can be used with existing ID cards to leverage investment
  • Easy to install
  • Conforming to all relevant industry standards


 Physical Characteristics
Dimensions115 mm x 96.5 mm x 25.5 mm
Weight160 grams
CompositionABS(Dark Grey)
Connector Cable1.8 mm
 Environmental Characteristics
Operating/Storage Temperature0 to 55 °C (10-90% Relative Humidity)
 Host Interface
USBUSB 2.0 CCID (USB 1.0 Compliant)
Transmit Speed12Mbps (USB 2.0 Full Speed)
 Contact Smart Card Interface
StandardISO 7816 &EMV2 2000 Level 1
ProtocolsT=0, T=1, 2-wire: SLE 4432/42 (S=10), 3-wire: SLE 4418/28 (S=9), I2C (S=8)
Card sizeID-1 (full-size)
Smart Card Interface Speed420 kbps (when supported by card)
Smart Card Clock FrequencyUp to 8 MHz
Supported Card Types5V, 3V and 1.8V Smart Cards, ISO 7816 Class A, B and C
Power to Smart Card60 mA
 Contactless Smart Card Interface
ProtocolsT=CL, MIFARE®, iCLASS® / ISO 14443 A with 848 Kbps transmission rate (depending on card)
ISO 14443 B with 848 Kbps transmission rate (depending on card)
ISO 15693 with 26 Kbps transmission rate (depending on card)
Supported APIsPC/SC driver (ready for 2.01), CT-API (on top of PC/SC, for contact interface)
OCF (on top of PC/SC, for contact interface), Synchronous API (on top of PC/SC)
Status IndicatorDual color LED (green=ready, red=busy)
Ordering Information and Pricing
Part Number Model Number Description RRP
[A] HID OMNIKEY 5321 Desktop USB Reader
9-5610-020-9 OK-5321 USB OmniKey OK-5321 USB Reader (TAA compliant) $275.00 A