Source : Free On-Line Dictionary of Computing

packet radio
     
         The use of {packet switched}
        communications {protocols} in large networks (i.e not
        {wireless LANs} or {Bluetooth}) having wireless links to
        terminals at least.  Packet radio is split into {amateur
        packet radio} (AX25) and {General Packet Radio Service}
        (GRPS).
     
        (2001-05-12)