(Telecompaper) Qualcomm has given its backing to Facebook's Terragraph technology to develop wireless broadband services in the 60 GHz band. The chipmkaer announced that the companies will work together to develop a multi-node wireless system based on 60GHz technology from Qualcomm Technologies. The new system is expected to improve the speed, efficiency and quality of internet connectivity in urban areas at a fraction of the cost of fibre deployments.