One of the main challenges in dense 5G xHaul radio access networks (#RANs) is the provisioning of low-cost connectivity between a large number of antennas, located at remote sites, with a central site (hub) in which baseband processing functions are performed. For more information, click: https://ilphotonics.com/usource-passive-wdm-solutions-for-5g-xhaul-ran/