Before revision: Features Dielectric resonator antennas offer the following attractive features: The dimension of a DRA is of the order of , where is the free-space wavelength and is the dielectric constant of the resonator material.
After revision: Features Dielectric resonator antennas fer the following attractive features: The dimension of a DRA is of the order of , where is the free-space wavelength and is the dielectric constant of the resonator material.