DvBei DBS-06 series navigation signal source is developed by ShenZhen DvBei Technology Co., Ltd. and has its own brand DvBei. 

DvBei DBS-06 Indoor Navigation Signal Coverage Enhancement System is a device that provides continuous coverage of enhanced positioning service signals in a local area in response to the problems of poor positioning accuracy, differences in integrity and reliability, weak navigation signals and poor anti-jamming capability that may exist in the satellite navigation system itself, and it can be applied in synchrony with the satellite navigation system to achieve seamless collaborative positioning of the augmentation terminals and to improve the availability and positioning accuracy of the navigation system.