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![Open RAN builds momentum in 5G deployments and brings new challenges](/contentassets/0ca6e3fb5ab5456eaeb88d3c48c01ea9/exfo_banner_blog_qa-exfo-oran-inputs_1270x546.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Open RAN builds momentum in 5G deployments and brings new challenges
By Xanthos N. Angelides
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![Mastering the Mueller method with swept IL-PDL measurements](/contentassets/eaa60830b85943e2a430002b5a754844/exfo_banner_blog_wpaper-135_1270x546.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
Mastering the Mueller method with swept IL-PDL measurements
By Mathieu Bergont
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![5G challenges from R&D to field deployment](/contentassets/db7d15362ef14a00bc06a561fb890805/banner-blog-testtalks-2021.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
5G challenges from R&D to field deployment
By Leo Lin
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Rural Broadband Services Delivery – PON Topologies
By Maury Wood
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![New era of transceivers: 400G and beyond](/contentassets/db7d15362ef14a00bc06a561fb890805/banner-blog-testtalks-2021.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
New era of transceivers: 400G and beyond
By Leo Lin
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The benefits of full core-to-RAN insight for integrated troubleshooting
By Kenneth Trueman
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Delving into the fast-paced world of photonics
By Leo Lin
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The ever-evolving telecom landscape – the latest trends and how to stay ahead
By Leo Lin
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![5G fronthaul network rollout – Why lab testing of eCPRI and CPRI is key](/contentassets/5d16db92f2ad461080354790be07b02f/exfo_banner_blog_why-lab-testing-ecpri-and-cpri-5g_1270x546.jpg?rxy=0.5,0.5&width=500&height=300&rmode=crop)
5G fronthaul network rollout – Why lab testing of eCPRI and CPRI is key
By Sébastien Prieur
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