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Wireless POS Terminal Market: Global Industry Analysis, Forecast 2027 A point of sale (POS) terminal is an electronic payments transfer device that connects with payment cards. A secure keypad i.e. PINpad for inputting PIN, a screen, a mechanism of taking information from payment cards, and a network connection to access the payment network for authorization are all common components of a POS terminal. It is divided into two categories: software and hardware solutions. Asset and content management, configuration solutions, etc. all part of the software package. Workstations, payment terminals such as smartphones and tablets with credit or debit card readers, and accessories e.g. monitors, barcode scanners, receipt printers are included in the hardware category.