No. 21 April 1999

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Contents:

• Revision of RCR STD-28 Based on the Enhancement of PHS
  
  
• Handover Enables Communications on the Move
  
  
• 64kbit/s Mobile Data Transmission
  
  
• Protocol Standardization of PIAFS
  
  
• Hitachi General Hospital's PBX-PHS System
  
  
• Vending Machine Monitoring