ACR39T-A1 brings new and modern technology to the world of smart card . This SIM-sized smart card reader is small but packs in a lot of features. Being a compact and powerful smart card reader, the ACR39T-A1 brings together sophisticated technology and modern design to meet rigorous requirements of smart card-based applications.ACR39T-A1 supports 7816 smart cards, various memory cards, and microprocessor cards with T=0 and T=1 protocol. It is fully compliant with PC/SC and specifications, and supports operating systems such as , Linux, and OS. Additionally, ACR39T-A1 may also be used on mobile devices running on Android platform versions 3.1 and above.Weighing more than your standard USB stick, ACR39T-A1 is a device that you can bring anywhere to keep smart card technology right at your fingertips.Device Driver Support: XP, Vista, 7, 8, 8.1, 10 Server 2003, Server 2008, Server 2008 R2, Server 2012, Server 2012 R2, Server 2016 Linux, OS, , Android 3.1 and later.Supports memory cards such as: Cards following the I2C bus protocol (free memory cards) with maximum 128 bytes page with capability, including: : AT24C01/02/04/08/16/32/64/128/256/512/1024; SGS-:ST14C02C, ST14C04C; Gemplus:GFM1K, GFM2K, GFM4K, GFM8KCards with intelligent 1k bytes EEPROM with write-protect function, including:: SLE4418, SLE4428, SLE5518 and SLE5528Cards with intelligent 256 bytes EEPROM with write-protect function, including:1. : SLE4432, SLE4442, SLE5532 and SLE55422. Supports (Protocol and Parameters Selection)Features Short Circuit ProtectionDimensions:49.5mm(L)x21.5mm(W)x9.0 mm(H)Weight:8.5gProtocol:USBConnector Type:Standard Type APower Source:From USB portSpeed:USB (12 Mbps)Supply Voltage:5 VNumber of Slot:1 SIM-sized Card Slot (optional with Micro-SIM-sized)Standard: 7816 Parts 1-3, Class A,B,C (5V, 3V, 1.8V)Protocol:T=0; T=1;Memory Card SupportSupply Current:Max.50mASmart Card Read/Write Speed:9.6 Kbps-600 KbpsShort Circuit Protection:(+5) V/GND on all pinsClock Frequency:4.8 MHzCard Connector Type:ContactCard Insertion Cycles:Min.100,000LED:GreenPC-linked Mode:PC/SCCT-(through on top of PC/SC)Temperature:0-60Humidity:Max.90% (non-condensing)MTBF:500,000Due to different product batches, the appearance , which does not affect the use.Colour:BlackMaterial:PlasticPackage Contents:1 * Portable Mini Smart Card ReaderOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.