You may have a router that simply doesn’t broadcast with enough power to reach all the nooks and crannies of your home, or there may be obstacles in the way of the signal. Weak WiFi can be extremely frustrating and can have a number of different causes. Your network might have trouble reaching something 60 feet away, just 10% of the nominal range. Now do the same thing inside a house full of walls and refrigerators, doorways and staircases. And if you set that equipment up outside, in perfect weather, in a giant open field, with nothing in between the two network components, you would indeed find that they would work pretty well even if they were 600 feet apart. You may note that a piece of wireless hardware has a nominal range of 600 feet, for example. Radio waves can penetrate such obstacles, but it uses up a considerable fraction of their power to do so. One common problem that wireless network installations often run into is the fact that radio waves, which WiFi networks use to communicate, carry very well through open-air, but are much less effective when asked to propagate through solid objects, such as walls or doors.

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