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This paper delineates a dual-band slotted Micro-strip patch antenna (MPA) with the capacity to work on two different 27.2GHz and 27.6GHz frequency bands. The single band MPA architecture was developed using FR4 substrate for the 27GHZ band, later on the antenna was further improved to slot connectivity on two separate bands, 27.2GHz and 27.6GHz. The antenna resulted in S11 of -17.5dB at 27.2GHz for the single band, while the antenna resulted in S11 of -24.2dB at 27.6GHz for the dual band. At 27.2GHz and 8.2dB at 27.6GHz, the dual band culminated in a reasonable gain of 6.2dB. 5G cell network extension networks expand the broadband network environment and offer energy-efficient services to the health care sector, manufacturing industry and smart city initiatives.