Category: audible navigation and orientation aid


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EdgGuide is a micronavigation system that allows blind and low vision museum goers to independently explore the Denver Museum of Nature & Science. Blind Institute of Technology collaborated with Consolidated Analysis Center Incorporated (CACI) and the Museum to develop and launch this system. EdgGuide’s micronavigation is based on ultra-wideband indoor precision location and orientation technology. EdgGuide uses a system of wall-mounted anchors that don’t require an external network to operate. The visually impaired person using the navigation system wears a tag that communicates with the transceivers and feedback monitors that provide audio and/or haptic feedback to the user. EdgGuide uses a mobile application specifically adapted for the visually impaired that can be paired to a tag at the entrance to the venue. Using EdgGuide, the patron can inquire about physical location within the venue at their discretion. Users can then be guided from one point to another within the venue and can listen to audio for pre-recorded exhibit information when applicable.

Technical Specifications: 
  • 802.15.4 ultra-wideband positioning technology proving 20 centimeter indoor accuracy
  • Wall-mounted anchors transmitting internal mesh network (required density of 30 anchors on the first floor of a typical large city museum)
  • Anchors can be easily powered by either PoE or USB, minimizing facility integration.
  • Body-worn tags calculating position based on anchor transmissions
  • iOS application to query position inside the building, providing distance and/or direction to points of interest or a companion wearing another tag
  • AutoCAD plug-in for ease of facility integration and planning


Price Check
as of: 
Additional Pricing Notes: 
99 euros

Made By:

CACI International Inc
Organization Type: 
CACI International Inc
1100 North Glebe Road
Arlington, VA 22201
United States
Phone: 703-841-7800
Virginia US
Phone (U.S. and Canada):