Personnel Positioning UWB Worker Card Tag VDU1521

VDU1521 indoor and outdoor positioning card, the main control chip uses NRF52832 to achieve low-power standby, positioning packet transceiver control, The positioning scheme adopts DW1000 to realize the TDOA indoor high-precision algorithm based on UWB and the built-in GPS module. Satellite received outside The signal can be switched to GPS positioning, or indoor switching to UWB positioning, which can achieve high precision indoor positioning and outdoor positioning of the wearer Locate. Built-in acceleration speed sensor, intelligent switching of personnel movement and stationary positioning frequency, to achieve the lowest power consumption of standby, while working cassette There is an SOS button for help, which can realize the location of personnel in security monitoring occasions such as nursing homes.