3G technology offered great services in the past mainly in the packet domain services as well as the mobile internet technology. However 3G infrastructure and network operability were really complicated and difficult to operate and optimize. After the evolution of LTE (4G) and latest the 5G evolution 3G tends to become obsolete in many operator networks, giving enough playground for spectrum refarming for 5G deployment. Shutting down 3G will affect mostly users with older phone technologies.
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MCNS has a very good knowledge background on spectrum refarming and planning optimizing network performance in all stages of technology replacement.