The UK’s BT has been one of the biggest flagwavers for using G.fast technology to boost broadband speeds and support mobile backhaul, without relying on fiber. Now the telco has announced its first suppliers, Huawei and Nokia, with the aim of bringing the ‘copper-on-steroids’ links to 10m premises. G.fast is being eyed by the mobile operators as a technology to ease the challenges of small cell backhaul and Cloud-RAN fronthaul, though this may raise new issues over BT’s wholesale arm, which is deploying the fast links – since BT’s acquisition of the UK’s biggest MNO, EE, there have been calls for a complete separation of Openreach to avoid any favoritism to BT’s own operator when it comes to fiber or…