Take one parabolic skimmer, a few hand tools and a USB cable...
There has recently been a flood of cheap USB WiFi "dongle"
adaptors that have greatly stimulated 2.4GHz WiFi applications and
experimentation.
We obtained some from Dick Smith Electronics here in NZ – alas,
DSE Australia appear to have decided not to stock these little beauties but they
(or items very similar) are available from a variety of suppliers.
(For those not fortunate enough to reside on the eastern
islands
[aka North Island or South Island]
, DSE NZ does do mail orders back to
Australia
[see contacts at the end of this article]
.)
Given the line-of-sight (LOS) nature of microwave signals,
obstructions from head high objects, partitions and vegetation may be at least
partially overcome if the antenna can be mounted even a couple of metres or so
higher, or at least clear of obstructions, away from noisy and shielding PCs
into signal "sweet spots".