Handheld Extra Long Range 2D Barcode Imager Comparable to laser barcode scanners but at a much lower cost All Standard Linear Barcodes,2D Symoblogy: PDF417, Code 16 K, RSS Scanning Depth: Upto 600mm Scan Speed: 450 Scans / sec Optical System: 2048 pixel CCD. The fast and accurate AS-8312 Ultra Long Range Imager scans 2-Dimensional symbols such as PDF417, RSS, and Code 16K, as well as the full range of barcode symbologies. With a rapid 450 scans per second, the AS-8312?s performance is comparable to laser barcode scanners but at a much lower cost. With superior depth of field, this scanner delivers long range accuracy even in poor conditions. The durable AS-8312 is perfect for tough industrial environments. For retail checkout, the optional caddy allows hands-free scanning. Suitable for a wide range of applications, from professional offices to shipping & receiving, the AS-8312 Long Range Imager offers outstanding quality and performance.