“ Fly Eye Uav https://www.fcourier.com/fly-eye-uav/ DLC-6820 3-5M UHF RFID Reader With Free SDK RS232/485 Wiegand 26/32 https://www.chinarfidfactory.com/dlc-6820-3-5m-uhf-rfid-reader-with-free-sdk-rs232-485-wiegand-26-32.html ”