Low cost 3D Printed dual band antenna for mm Wave 5G Applications

This paper demonstrates simple, low-cost and high gain microstrip antenna with suitable feeding technique and dielectric substrate for application in 28 GHz frequency range. We designed and analyzed a dual band 3D printed rectangular microstrip patch antenna for 28GHz and 38GHz communications. The design concept is to have slots etched out from the copper patch of a microstrip patch antenna designed for 28GHz operation to enable second frequency band i.e. 38GHz operation. The proposed antenna provides impedance bandwidth of 6% (28.35 to 29.9) and 5.3% (36.89 to 39). The gains in the E-plane are 5.126dBi and 5.011dBi at 28GHz and 38GHz respectively.