free space

free space definition - telecom
  1. A theoretical region of space utterly devoid of physical matter, gravitational fields, and electromagnetic fields.
  2. A region devoid of physical obstructions that might hinder the propagation of electromagnetic signals. See also free space transmission.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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