This paper discusses numerical design and
experimental characterization of dualband printed monopole
antenna with center frequency of 1.6GHz and 2.4GHz. The
antenna that takes a shape of G letter is proposed to overcome
the special need of GPS and WLAN application. The antenna
which is fed by microstrip line extended from a center pin of 50Ω
connector type has 2 distinct arms in different length
arrangements to obtain the desired different resonant
frequencies. After obtained the appropriate numerical design, the
antenna is then deployed on an FR4-Epoxy dielectric substrate
with the dimension of 50mm x 50mm and the thickness of 1.6mm.
From the measurement results, it shows that the characteristics
of realized antenna have good agreements each other with the
numerical design. The realized antenna is able to operate at dual
frequency bands where the working bandwidths for lower and
higher frequency band are up to 220MHz and 150MHz,
respectively.