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5G needs a RAN overhaul, pumped up with more fiber. Cost-efficient network planning is then required if the business case is not to be derailed. 5G network operators need to pay close attention to fiber. If the next-gen tech is to deliver on its promise of greater capacity, faster speeds and lower latency, more fiber-optic cable is needed in the radio access network (RAN). There’s no other way to handle increased data volumes and provide a future-proof solution. According to some estimates, internet traffic is growing tenfold every five years.