Industrial/Scientific/Medical (ISM)

See ISM.

• radio frequency (RF)
• radio guide (RG)
• radio line-of-sight (radio LOS)
• radiophone
• radius
• RADIUS (Remote Authentication Dial-In User Service)
• RAID (Redundant Array of Independent Disks or Redundant Array of Inexpensive Disks)
• rain attenuation
• rain-barrel effect
• rain fade
• rake receiver
• Raman amplifier
• RAM (Random Access Memory)
• RAN
• random access memory (RAM)
• random noise
• RA (Registration Authority)
• RAS
• raster
• rasterize
• rate adaption
• rates and tariffs
• RATT (R1022 ATM Technology Testbed)
• RATT (R1022 ATM Technology Testbed)
• ray