US cable companies have lagged many of their counterparts in Europe and Asia in fixed-mobile convergence, and Cox more so than most, launching its MVNO service five years behind the largest cablecos, Comcast and Charter. Like those two operators, Cox will run its mobile services over Verizon’s cellular network, but offloading as much of the traffic as possible onto its cable/WiFi network via its total of over 4m WiFi hotspots – including those shared with Comcast and Charter – to minimize carriage costs. Cox has put the best face on its very late arrival as a modern MVNO, arguing that it has taken time to assess what its customers want and wait for some maturation of 5G. The company piloted…