2D barcodes do require a specific type of scanner called a 2D Imager. The common laser barcode scanner reads codes by reflecting light from the black and white lines of a barcode and since the laser is a single line it only reads horizontally across the barcode. And an imager takes a picture of the barcode and …
Most barcode scanners come with a 6-foot cable. But longer lengths are available for many models.
Barcode scanners use a Class II laser which is not harmful to your body or eyes.
In order to read a barcode off of a screen, you will need to have a 2D imaging scanner as it processes images as opposed to reflected light. A standard laser barcode scanner will not be able to read anything from a screen.
The range of a cordless barcode scanner does vary by model but most units use Bluetooth (Class 2) technology and have a range of 33 feet. Also, some of the rugged barcode scanners will use Class 1 Bluetooth which has a range of over 300ft.
Barcode scanners do not require any special software or driver to function properly. They will mimic a keyboard and will be recognized by your computer as a general input device.
A barcode scanner picks up the black and white elements of the barcode which follow a specific algorithm that is turned into a corresponding text string by the scanner. Then this information is then sent over to your computer by the scanner no different than a standard keyboard does. And this string of text will populate where …