The first step: empty cans wash clean.
Step two: Unplug the pull ring.
Step three: Cut off the bottom of the pot along the red line in the picture, and cut it with scissors.
Fourth step: Cut the top of the jar along the red line of the figure, don't cut it all off, leave the part of the white mark in the picture.
The fifth step: on the opposite side of the white line from the bottom of the cut open cans, as shown in the red lines.
The sixth step: to expand the metal, the can put upside down on the antenna, with glue fixed tank bottom.
The seventh step: the Wi-Fi signal amplifier is accomplished.
1. Use a knife to cut open cans to pay attention to safety, careful fingers.
2. It can be done with scissors without a knife.