How Wi-Fi can track movement through walls, ruin hide-and-seek forever - GigaOM

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How Wi-Fi can track movement through walls, ruin hide-and-seek forever
GigaOM
The Wi-Vi system relies on two antennas to broadcast Wi-Fi signals and a receiver to read them, according to the researchers' paper. The Wi-Fi signals degrade in quality each time they pass through a wall, so the receiver must be prepared to pick up on ...





Courtesy of WestNet City Wi-Fi
www.westnet.ca