I only skimmed the thread on this recently so maybe this was adequately answered. If so I apologize for posting this from today's LowEndMac site: >Connect Your Mac to IrDA Devices > >Now you can connect you desktop Mac or 'Books without built-in >infrared ports to IrDA cellphones, PDAs, etc. with MadsonLine's USB >IrDA Adapter. > >Dimensions: 20 x 60 x 45 mm > >Two USB cables; long and extra short (20") included. > >System Requirements: Mac with USB ports running OS 10.1.2 or later > >USB IrDA Adapter is priced at $52. The original article is at: http://lowendmac.com/bookrev/03/0110.html and they hyperlink to MadsonLine's site and the info on the adapter. Hope this helps.