Tactical Wifi Cantenna

h/t to EverydayNoDaysOff

Cantenna:
A `cantenna` is a directional waveguide antenna for long-range Wi-Fi used to increase the range of (or snoop on) a wireless network. Originally built using a Pringles potato chip can, a cantenna can be constructed quickly, easily, and inexpensively using readily obtained materials:

Tac·ti·cal
adjective /ˈtaktikəl/

• Of, relating to, or constituting actions carefully planned to gain a specific military end
  • – as a tactical officer in the field he had no equal
• (of bombing or weapons) Done or for use in immediate support of military or naval operations
• (of a person or their actions) Showing adroit planning; aiming at an end beyond the immediate action
• [Something that is black in color and often adorned with picatinny rails]

Tactical Cantenna (Blogpost with Build Instructions)

Tactical Cantenna

Neat.

Also, far more useful than the Tactical Vuvuzela.

Tactical Vuvuzela