PCW Barcode is selling the most advanced scanner  the RFID scanner that uses radio frequency signal in order to transmit digital information from a base to a computer. It is handheld, lightweight, and small that you can easily slip it into a pocket or clip it on your belt. It is more convenient than a barcode scanner because it has the capacity to read RFID tags from a distance. It is also safer to use in plants where dangerous machines are located.