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Omnikey 5421 USB Reader

Manufacturer Code: R54210001 by HID
Item Code: R54210001

Discontinued - See Omnikey 5422 as a replacement

Dual interface contactless and contact smart card reader

  • USB 2.0

  • Contactless (13.56 MHz) and contact reader

  • Grey housing

  • Optional Card Retainer

  • Optional Mounting Accessories & vertical standing base

More Info
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Questions & Advice

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Delivery Options & Info

Order before 3PM for next day delivery.
Subject to stock availability and credit control.

  • Free Courier Next Business Day
    Orders Over £150 - UK mainland only.

  • Express Courier
    £9.50 - UK mainland, next business day. For offshore UK islands and the Scottish Highlands, please allow 2 - 3 working days.

  • Pre 10:30 Next Business Day
    £37.50 - UK mainland only.

  • Collection From North London, NW7
    Collections by appointment only.

  • International Shipping
    Rates available at checkout.

Payment Options

  • Credit & Debit Cards
    Accepted online or over the phone.

  • Purchase Orders
    Accepted via email, fax and online from schools, universities, UK government bodies, NHS, armed forces and pre-arranged credit accounts.

  • BACS and Cheque
    Accepted at checkout, cheques payable to "Plastic-ID.com Limited".

Returns Policy

14 Day Return Policy

Please contact us within 14 days of receiving your goods if you wish to return any items. All goods must be returned unopened and in a resalable condition. For further details, please see our terms and conditions.

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Product Description


The OMNIKEY 5421 reader represents the ultimate combination of contact and contactless technology in a single device. The solution features a dual interface, PC-linked reader that reads / writes to both a 13.56 MHz contactless smart card and technology and virtually any contact smart card to support environments where both contact and contactless smart card technologies are required.

Utilising contact and contactless smart card technology for PC applications, the reader provides users with the convenience, speed and security for user authentication to PCs, software, cloud-based applications, networks, web sites and other applications.

Key features

  • Supports three ISO standards for contactless cards (ISO 14443 A / B and 15693) and the ISO 7816 industry standards for contact cards.

  • Native CCID implementation for contact readers, supporting WINDOWS, LINUX and MAC.

  • Supports EMD suppression on contactless interface.

  • Supports standard iCLASS®, MIFARE™ and MIFARE DESFire™, as well as tags and new technologies such as NFC devices.

  • Includes new OMNIKEY desktop family housing.


Base Model NumberOMNIKEY 5421
Host InterfaceUSB 2.0 (also compliant with USB 1.1)
Transmission Speed12 Mbps (USB 2.0 full speed)
Connector Cable / LengthUSB Type A Connector / 78.7" (200 cm)
StandardsISO 7816 A/B/C
ProtocolsT=0, T=1
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
Power to Smart Card60 mA
Smart Card DetectionMovement detection with auto power-off / Automatic detection of smart card type/ Short circuit and thermal protection
8-Pin HandlingC4 / C8 supported
Standards & ProtocolsISO 14443 A/B with up to 848 kbps transmission rate (depending on card), ISO 15693 with up to 26 kbps transmission rate (depending on card), T=CL
CardsHID iCLASS; MIFARE Classic/Ultra-light/Plus/DESFire
Status Indicator Light Emitting Diode
PC / SC Driver SupportWindows XP/Vista/7/8 (32+64 bit)/ Windows Server 2003/2008 (32+64 bit), 2008R2 (64 bit) / Windows CE 4.2/5/6/7 (depending on hardware) / Linux and Mac OS X
Supported APIsPC/SC driver / CT-API (on top of PC/SC for contact interface) / OCF (on top of PC/SC, for contact interface)
CCIDSupported on contact interface including extended APDU
TypeOMNIKEY Professional Line Desktop Design
ColourCover grey / Body light grey
Optional AccessoriesRemovable Card Holder for card-present operation / Mounting Jacket & Adhesive Tape / Vertical Standing Base (in preparation)
Dimensions2.79" x 3.66" x 0.63" (71 mm x 93 mm x 16 mm)
WeightApprox.3.53 oz (100g)
Protection RatingIP54 (dust / splashing water) (in preparation)
Power SupplyBus powered
Operating Temperature32°- 131° F (0° - 55° C)
Operating Humidity10 - 90% Relative Humidity
Storage Temperature-4° - 176° F (-20° - 80° C)
Durability100,000 insertions
Meantime Between Failure(MTBF)500,000 hours
Compliance / CertificationCCID1 (contact interface only), Microsoft WHQL2, USB 2.0, TAA (on request)
Approvals / EnvironmentalRoHS 2, REACH, WEEE, UL, CE, FCC, ICES (Canada)
WarrantyTwo-year manufacturer’s warranty. (For drivers, see complete lifetime support policy.)

1 = Chip Card Interface Device 2 = Windows® Hardware Quality Lab


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Additional Information

Additional Information

SKU R54210001
Manufacturer HID
Manufacturer Code R54210001
UPC Barcode No
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