High Gain Slot Array Antenna at 110 GHz Based on

The measured cross polarization level is below -27 dB, which satisfies the ETSI standard Index Terms—groove gap waveguide, wide band slot array antenna I

At the tip of microstrip line feed of 50 Ω, a coaxial SMA connector is used for feeding the microwave power The array elements are kept at a distance of D =

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