2d OEM Barcode Scanner Modules

Here the full list of all kinds of OEM barcode scanners modules, TTL or RS232/ USB interface; read bar codes from paper or from phone screen; for general use or for scanning special bar codes, for example: read ultra-tiny Data matrix code, or read long-range bar codes, or read big PDF417 code... all of them are outstanding in some terms, read details below for more information.