New Product: GROW GM805 Serial DC5V USB/TTL232 Interface 1D/2D QR Bar Code Reader PDF417 Barcode Scanner Module for Arduino Windows Android

GM805 serial have GM805-S and GM805-L model.
The only difference between GM805-S and GM805-L is the lens.
GM805-S lens reading distance is 5-30cm.
GM805-L lens reading distance is 7-50cm.
 
GM805 serial bar code reader module is a high performance scanner, can read 1D bar code easily and read 2D bar code with high speed. It also wins high scan speed for linear code, even for bar code on paper or screen.
GM805 serial bar code reader module is an advanced bar code decoding algorithm which developed on image recognition algorithm, can easily and accurately read bar code, simplify secondary development.

GM805 mainly parameter:
·Decoding  Ability: 
 1D: EAN-13, EAN-8, UPC-A, UPC-EISSN, ISBN, CodaBar,Code 128,Code93, ITF-14, ITF-6, Interleaved 2 of 5,Industrial2of5,Matrix2of5, Code 39,Code11, MSI-Plessey,GS1 Composite, GS1-Databar (RSS)
 2D: QRCode, DataMatrix, PDF417
·Operating Voltage: DC 5V
·Operating Current: 70mA
·Interface: TTL-232,USB 
·Dimension: 28*20mm
·Accuracy of reading: 10mil

More details pls click here: 
http://en.hzgrow.com/product/191.html