Yes, I have learned about SKYLAB and 95power, two indoor positioning teams. Micro Power Information is a subsidiary of Sky Lab. SKYLAB provides Bluetooth, UWB indoor positioning hardware and a set of Bluetooth /UWB indoor positioning solutions, which are carefully developed by the senior indoor positioning software and hardware research and development team, and support secondary development and customization in function, which can meet various IOT application scenarios such as meter level and centimeter level.
Bluetooth complete positioning scheme
Ultra-wideband complete positioning scheme