RFID UHF handheld reader 2.automatic charges 3.parking management 4.Special anti-collision algorithm RFID UHF handheld reader1.ALL IN ONE design. 2.RFID cards/tags,barcode scan, fingerprint,WiFi/GPRS/GSM/Bluetooth/PSAM/GPS/Camera/dust-/wafer-proof DescriptionALL IN ONE design Including 1D/2D barcode scanning, RFID cards/tags reading under UHF protocols,WiFi/GPRS/Bluetooth communication, GPS ...