“]

Heat Mapper – freeware application from the Helsinki-founded but now multi-continental firm Ekahau – lets users visualize wi-fi coverage on a map or building diagram (which one needs – and which can be imported into Heat Mapper).What’s it useful for:

• Visualize Wi-Fi networks
• determine the physical reach of a given network
• display access points -and analyze their combined coverage, and/or individual characteristics
• identify security problems and open networks

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