![]() ![]() In a passive survey only the received signal strength is measured, in other words, how “loud” the access points are. The application will calculate the signal between the measurement points and draw a heat map. Start an application, load the floorplan and walk around marking the points of measurement on the floorplan. Passive SurveyingĪ passive heat map is the most common one and straight forward to make. ![]() If the whole office is inside the green area, does it prove that everything is working fine? It depends, there are different kinds of heat maps telling different aspects of the WiFi network. In WiFi heat maps strong signal areas are often drawn in green, weaker signal areas in yellow and problem areas in red, which is the opposite of typical heat maps. There are many tools available to survey WiFi coverage and draw a heat map.
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