Understanding Infrared Speed
The Infrared Data Association (IrDA) has developed four transfer rate (“speed”) standards for short- range infrared data transmission:
SIR* (Serial Infrared): 115.2Kbps, which is broadly adopted in mobile phones and many portable devices. MIR (Medium Infrared): 1.152Mbps, which is rarely adopted. FIR (Fast Infrared): 4Mbps, which is adopted in laptops and digital cameras and some Pocket PC PDAs. VFIR (Very Fast Infrared): 16Mbps, which is supported by Windows XP