Lots of MyWireless users have reported that cutting a hole about 4cm from the back of a Pringles can, and sticking the modem’s antenna into it has increased their gain in signal from ~5% to 15%

This is very likely due to the fact that the PringlesCan acts as a basic “waveguide” which causes the modem’s output signal to be more directional than the standard omnidirectional antenna.

Simply cut a hole in a Pringles Can, and move your modem around towards the direction where it gains the most signal.

Of course, the rolls royce of CanTennae is the 750g Frisco coffee tin, with a PigTail.