Both resonates frequency still shows that the first
band bandwidth 2.05% is wider than second band
which the value is 1.27%. Figure 6 showed the
comparison between simulation and measurement
result. Overall, it can be concluded that the result is
quite similar to both outputs. The simulation tends to
be perfect output with the value of return loss is higher
for both operating frequencies compare to
measurement result. The measurement frequencies are
shifted from the simulation result and the value of
frequencies and return loss is also changes. This
dissimilarity results might occurred because of
hardware imperfect condition when the process of
fabricated antenna is in development.