[stackbutterflow]

For those who don't know, every 3db the energy is halved/doubled.

So at -10db the energy has been halved over 3 times.

[knorker]

And for those who don't know, that's not actually a particularly big difference.

The inverse square law means this is just the difference between 1 meter and 3 meters. And your WiFi has no problems at 3 meters from the AP.