EarthLink, the internet service provider, is to sell its citywide ‘Muni’ WiFi wireless broadband internet access business as part of its plans to return to profit after six straight quarterly losses.

The decision follows a strategic review of the Muni WiFi business ordered by Rolla Huff shortly after he took over as chief executive in June and is likely to cast a further shadow over plans by other cities to roll-out free or low-cost municipal WiFi networks.