2D Scanning Engine The 2D scanning engine offers decoding capability for 2D barcodes such as PDF417, Data Matrix, QR Code, MicroQR, as well as common 1D barcodes. Superior Scanning Performance Equipped with a 640*480 CMOS sensor, the NuScan 2800U has a scan rate of 120 frames per second, offering fast and accurate scanning results. Drop Protection The drop-protection design prevents damage due to accidental drops of less than 1.5 meters.