Base Model Number OMNIKEY® 4121 CL
Dimensions 4.92" x 1.33" x .0.39" (125 x 34 x 10 mm)
Weight Approx. 0.82 oz (23 g)
Power Supply Bus powered
Operating Temperature 32–158 °F (0–70 °C)
Operating Humidity 0–90% rH
HOST INTERFACE
Host Interface ExpressCard™ 34mm and 54mm
Transmission Speed 12 Mbps
CONTACTLESS SMART CARD INTERFACE
Protocols T=CL, MIFARE®, iCLASS® / ISO 14443 A with 848 Kbps transmission rate (depending on card), ISO 14443 B with 848 Kbps transmission rate (de-pending on card), ISO 15693 with 26 Kbps transmission rate (depending on card)
Supported APIs PC / SC driver (ready for 2.01), Synchronous API (on top of PC/SC)
PC / SC Driver Support Windows® 2000 / XP (32 bit), 2003 Server, 2008 Server, Windows® CE5.0 / CE.NET / CE 6.0 (depending on hardware), Windows® XP 64 Bit (AMD64, EM64T, IA64), Windows® Vista / e7 (32 bit / 64 bit),
Status Indicator Dual-color LED (green = ready, red = busy)
Color Alloy / Black
Optional Accessories Clip-On Extender for ExpressCard 54mm
Weight: approx. 0.17oz ( 5g)
Dimensions approx: 3.5’’ x 2.16’’ x 0.35’’ (91 x 55 x 9 mm)
Customization Options Customer-specific logo : available upon request
Composition Alloy / ABS
Meantime Between Failures (MTBF) 500,000 hours
Compliance / Certification Microsoft® WHQL1
Safety / Environmental CE, FCC, UL, RoHS, WEEE,
In preparation: VCC, MIC, C-TICK
Warranty Two-year manufacturer’s warranty.
(For drivers, see complete lifetime support policy.)