Welcome to CBNL, welcome to next generation thinking CBNL is the market leader in point-to-multipoint (PMP) microwave. Our turnkey solutions offer an unrivalled business case of high capacity, guaranteed quality of service and total cost of ownership savings of up to 50%. Cambridge Broadband Networks Africa Limited (CBNL Africa) serves 9 of the largest mobile operators in 11 countries across Sub-Saharan Africa.