The Bluetooth SIG has just published an update to the specification, adding new direction-finding capabilities. Key to its development was Quuppa, a company that has been using this technology for some years, and has now contributed its expertise to the standard. The SIG believes that location services will account for 400m unit shipments a year by 2022. To tap into that, it has added two new capabilities, which allow devices to be located – or to locate themselves – to a far greater degree of accuracy. These are Angle of Arrival (AoA) and Angle of Departure (AoD), and they can facilitate new item finding; asset tracking; Point of Interest (PoI) information systems; Real Time Locating Systems; (RTLS); and Indoor Positioning…