VDU2506D is a high-precision positioning Anchor based on UWB. Enhance the RF transceiver performance, and add PA and LNA to the RF link to improve its transceiver performance, so that the RF function coverage range is wider and the ranging accuracy is higher; Single POE power supply, but no additional DC power supply, thus reducing the difficulty of installation construction. The Dual anchor are based on Decawave DW1000 UWB chip and support the IEEE802.15.4-2011 UWB protocol. The Nordic Bluetooth 4.2 chip nRF52832 is adopted as the main control IC. Add the function of TF card, support the gateway to store data when the network is down; And retain the serial port chip, support USB to serial port function. The Dual anchor are based on Decawave DW1000 UWB chip and support IEEE802.15.4-2011 UWB protocol. The Nordic Bluetooth 4.2 chip nRF52832 is adopted as the main control IC. Add the function of TF card, support the gateway to store data when the network is down;And retain the serial port chip, support USB to serial port function. The Dual anchor complex version with 485 serial port function, easy to connect to the industrial computer debugging;Full version with network port and WiFi functions, you can directly use TCP/IP, UDP protocols to transmit serial port data to TCP/IP, UDP server, convenient network debugging TWR positioning system;SPI screen can also be connected through the WiFi module inside the board to output specific data.