Datalogic Gryphon 4400 Series 2D Handheld Barcode Readers: Gryphons were linear readers, now use camera engines which can read all barcode types such as PDF417 & DataMatrix 2D codes. Motion activates the aiming pattern. Can aggressively Read 2D barcodes on mobile devices such as those found on boarding passes, mobile coupons, gift cards, and more.