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	QR Code Change Type Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)	+ Add comparison Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)	+ Add comparison Liner Barcodes(1D) UPC-A UPC-E EAN-8 EAN-13 Industrial 2 of 5 Interleaved 2 of 5 Code 11 Codabar Code 39 Code 93 Code 128 MSI Code 2D Barcodes QR Code PDF417 DataMatrix MaxiCode Aztec Code DotCode Micro QR Code Micro PDF417 Composite Barcodes GS1 DataBar Omnidirectional GS1 DataBar Truncated GS1 DataBar Stacked GS1 DataBar Stacked Omnidirectional GS1 DataBar Limited GS1 DataBar Expanded GS1 DataBar Expanded Stacked GS1 Composite Code Other Types Patch Code USPS Intelligent Mail Postnet Planet Australian Post UK Royal Mail (RM4SCC)
Structure	1. Square modules in a regular square array that contain data 2. Finder patterns 3. Timing patterns 4. Alignment patterns 5. Quiet zone border
Density	High-density
Character set	Full ASCII
Capacity	7089 Numeric/4296 Alphanumeric Characters
Error detection	The QR code uses the Reed-Solomon algorithm to add error detection and correction information to source data.
Error correction	QR Code uses the Reed-Solomon algorithm for error correction. Four selectable levels of error correction are available, which enables the barcode to be read even if up to 30 percent of the code is damaged.
Usage	Today, QR codes have become common in areas such as online or app payments, augmented reality, mobile operating systems, website login, loyalty programs, virtual stores, in marketing and advertising campaigns, and more.
Industry	Retail Entertainment Advertising