You should find out what RTLS system they use or plan to use and then also look for information on surveying requirements from that vendor. Cisco has a general guide for location tracking.
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/WiFiLBS-DG.pdf
You can search on Google for Cisco RTLS and you will also find other links to docs from Cisco and other vendors.
-Scott
-Scott
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