Due to the FSS structure that design in this process is a passive
antenna. It does not need any SMA connector to supply power.
Without any external power, the FSS structure would not
amplify the signal output. Hence, the FSS structure was
measured by using two horn antennas. The measurement setup
for measure the signal power (in dBm) at receiver horn antenna
when the 2.4GHz signal propagate through the FSS structure by
using two horn antennas, Avantest R3131A spectrum analyzer
(9khz -3Ghz), and Agilent Technologies E8267D signal
generator (250khz -20Ghz). The distance between the two
horns antennas from the FSS structure are 300mm. This
measurement was done in shielded room condition. The signal
generator output port was connected to the transmitter horn
antenna to transmit the 2.4GHz signal to the FSS structure and
the horn antenna receiver. The spectrum analyzer was
connected to the receiver horn antenna where the spectrum
analyzer shows the signal power in unit dBm at peak of 2.4GHz
signal.