ACR122U – Technical Specifications info@acs.com.hkVersion 3.06 www.acs.com.hkPage 6 of 74.0. Technical SpecificationsPhysical CharacteristicsDimensions .................................... 98.0 mm (L) × 65.0 mm (W) × 12.8 mm (H)Weight ............................................ 70 gColor .............................................. Pearl WhiteUSB Host InterfaceProtocol .......................................... USB CCIDConnector Type.............................. Standard Type APower Source................................. From USB portSpeed ............................................. USB Full Speed (12 Mbps)Supply Voltage ............................... 5 VSupply Current .............................. Max. 200 mACable Length .................................. 1.0 m, FixedContactless Smart Card InterfaceStandard ........................................ ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCaProtocol .......................................... ISO 14443 T=CL for ISO 14443-4 compliant cards....................................................... T=CL Emulation for MIFARE Classic, ISO 18092, FeliCa and NFC TagsOperating Frequency ..................... 13.56 MHzOperating Distance ........................ Up to 50 mm (depending on tag type)Smart Card Read/Write Speed....... 106 Kbps, 212 Kbps, 424 KbpsAntenna Size .................................. 50 mm × 40 mmBuilt-in PeripheralsLED ................................................ 1 bi-color: Red and GreenBuzzer ............................................ MonotoneApplication Programming InterfacePC-linked Mode.............................. PC/SC....................................................... CT-API (through wrapper on top of PC/SC)Operating ConditionsTemperature .................................. 0 °C – 60 °CHumidity ......................................... Max. 90% (non-condensing)MTBF ............................................. 408,500 hrsCertifications/ComplianceEN 60950/IEC 60950, ISO 14443, ISO 18092, USB Full Speed, PC/SC, CCID, CE, FCC, RoHS 2, REACHVCCI (Japan), KC (Korea), Microsoft® WHQL