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1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   AIR
      <standard> A future infrared standard from IrDA.  AIR will
      provide in-room multipoint to multipoint connectivity.  AIR
      supports a data rate of 4 Mbps at a distance of 4 metres, and
      250 Kbps at up to 8 metres.  It is designed for cordless
      connections to multiple peripherals and meeting room
      collaboration applications.
      See also IrDA Data and IrDA Control
      (1999-10-14)