Now that you have finished drinking that last tasty cup of coffee, what do you do with the empty coffee can?
Go Wireless! That's what.
Here is an easy to build, accurate and powerful wireless antenna made out of an empty 13.5oz coffee can. Some soldering experience is required to build this project but if you can wield a soldering iron and a roll of solder, you can't help but turn out a well built antenna for long range wireless communications.
Step 1: Parts and Tool List
To enjoy great wireless, you will need at least one antenna. If you are planning to create a short haul project between two locations, make two antenna so you have a matched set.
1) 13.5oz Maxwell House or any other brand tin can with plastic lid. (Empty of course).
1) 4 inch by 4 inch sheet of brass or tin.
1) 1 inch long by 1/4 inch diameter Brass tubing. (Any model or hobby shop).
6) feet of AIR195 low loss 50 ohm coaxial cable. (Available from air802.com. RG-58 may be substituted with marginal results).
1) SMA Female connector. (For connecting to your bridge or antenna jack. Available from air802.com)
1) Brass angle bracket. (Local hardware store).
1) 1/4-20 Brass hex nut. (Same hardware store).
30 to 50 Watt Soldering Iron
Solder Flux (zinc chloride or rosin type. not acid flux)
Coaxial cable connector crimp tool for 1/4 inch cable.
Drill with assorted drill bits
Black spray paint
RTV Silicone Rubber compound or Clear Silicone Bathtub Caulk
Sheet metal sheers
'0000' Steel wool