The FTMC is a Linux computer. You can observe ranges on the FTMC itself (we offer a 7″ display and fit-Uptime for convenient mobility of FTMC).
You can send range-readings to another computer over a network.
Yes. Trilateration requires at least 3 FTMRs.
Recommendation is to use at least 4 FTMRs for better accuracy.
FTM Responder (FTMR) is a WiFi enabled device that has FTM capabilities.
Multiple FTMR units have to be installed inside a building to enable WiFi Indoor Positioning.
Indoor Positioning with Wi-Fi RTT / Indoor WiFi Location is a technology for providing accurate location of a device inside a building.
The technology is based on fine time measurement (FTM) of WiFi signals.
For more details see: