The landscape of 5G technology is intricately woven with the Radio Access Network (RAN) as its cornerstone. This discourse aims to dissect the nuanced architecture of 5G RAN, providing insights into its multifaceted structure. Beyond the surface allure of 5G RAN lies a realm often obscured—the 'dark side' that demands acknowledgment. Unraveling the intricacies, we confront a myriad of challenges and considerations embedded within its architecture. From the intricacies of beamforming to the judicious use of spectrum, each element contributes to the narrative of 5G RAN. Embark on a journey into the depths of this technological marvel and unearth the complexities defining its operational dynamics.