Base Model Number OMNIKEY® 5421HOST INTERFACEHost Interface USB 2.0 (also compliant with USB 1.1)Transmission Speed 12 Mbps (USB 2.0 full speed)Connector Cable / Length USB Type A Connector / 78.7" (200 cm)CONTACT SMART CARD INTERFACE (CCID)Standards ISO 7816 A/B/CProtocols T=0, T=1Card Size ID-1 (full-size)Smart Card Interface Speed 420 Kbps (when supported by card)Smart Card Clock Frequency Up to 8 MHzSupported Card Types 5V, 3V and 1.8V Smart CardsPower to Smart Card 60 mASmart Card Detection Movement detection with auto power-off / Automatic detection of smart card type/ Short circuit andthermal protection8-Pin Handling C4 / C8 supportedCONTACTLESS SMART CARD INTERFACEStandards & Protocols ISO 14443 A/B with up to 848 kbps transmission rate (depending on card), ISO 15693 with up to 26kbps transmission rate (depending on card), T=CLCards HID iCLASS®; MIFARE™ Classic/Ultra-light/Plus/DESFireHUMAN INTERFACEStatus Indicator Light Emitting DiodeDRIVER & SOFTWAREPC / SC Driver Support Windows® 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 XSupported APIs PC/SC driver / CT-API (on top of PC/SC for contact interface) /OCF (on top of PC/SC, for contact interface)CCID Supported on contact interface including extended APDUHOUSINGType OMNIKEY Professional Line Desktop DesignColor Cover grey / Body light greyComposition PCOptional Accessories Removable Card Holder for card-present operation / Mounting Jacket & Adhesive Tape /Vertical Standing Base (in preparation)Dimensions 2.79" x 3.66" x 0.63" (71 mm x 93 mm x 16 mm)Weight Approx.3.53 oz (100g)Protection Rating IP54 (dust / splashing water) (in preparation)OPERATING CONDITIONSPower Supply Bus poweredOperating Temperature 32°- 131° F (0° - 55° C)Operating Humidity 10 - 90% Relative HumidityStorage Temperature -4° - 176° F (-20° - 80° C)Durability 100,000 insertionsMeantime Between Failure(MTBF) 500,000 hoursCERTIFICATIONS & APPROVALSCompliance / Certification CCID1 (contact interface only), Microsoft® WHQL2, USB 2.0, TAA (on request)Approvals / Environmental RoHS 2, REACH, WEEE, UL, CE, FCC, ICES (Canada)ORDERING INFORMATIONWarranty Two-year manufacturer’s warranty.(For drivers, see complete lifetime support policy.)