Bar code wired readers are devices that work in conjunction with an external device such as a computer, scale, cash register, etc. via USB, RS232. Wired scanners are a solution often found at in-store sales outlets where mobility is not a priority. Competitive price and intuitive service are the features that make many entrepreneurs decide on such a solution.

Bar code wireless readers are hand-held readers that enable operation without using signal cables, depending on the design of the communication module they are adapted for direct data transmission or via a base or dock. They are used where the use of a wired reader is difficult, it works best at checkout points, production plants, warehouses, reloading points, etc.