revive IrDA around 2005 with IrSimple protocols by providing sub-1-second transfers of pictures between cell phones, printers, and display devices. IrDA hardware was still less expensive and didn't share the same security problems encountered with wireless technologies such as Bluetooth. For example, some Pentax DSLRs (K-x, K-r) incorporated IrSimple for image transfer and gaming. See also Consumer IR Li-Fi List of device bandwidths RZI References Further reading IrDA Principles and Protocols; Knutson and Brown; MCL Press; 214 pages; 2004; . External links Official List of official specifications, physical layer specification is US$100 Other Linux Infrared HOWTO Linux Infrared Remote Control Linux status of infrared devices (IrDA, ConsumerIR, Remote Control) IrDA project of Universidad Nacional de Colombia SIE board Standards organizations in the United States Organizations based in California