Compliant with USB Specification Version 1.1Supports Speed : 12 MbpsCompliant with USB IrDA Bridge Device Specification Version 1.0IrDA compliance featuresSupports Speeds : 4 Mbps ( FIR ), 115.2 Kbps ( SIR )Supports IrDA PHY specification Version 1.3Supports Serial Infrared Link Access Protocol (IrLAP) Version 1.1Supports ACPITM and OnNowTM power management initiativesBus-powered configuration supports multiple level of power saving modes (On, Stand-by and Suspend)DMA data transfer scheme between IrDA Tx/Rx buffer and USB Rx/Tx buffer to achieve the best data transfer throughputUpgrades PCs with wireless transmission capability to communicate with mobile computing devices that have an IrDA Infrared port. PlatformIBM PC with Pentium 133 MHz and above StandardIrDA Physical Layer Specification Ver 1.3 SpeedFIR: 4 Mbps SIR: 115.2 Kbps Effective Distance1 cm-100 cm in the normal environment Operating Temperature0C--70C Power SourceDirectly from USB port, No external power needed Dimension82mm x 63mm x 53mm Accessory IncludedUser"s ManualDriver CD Operating Systems