Barcode Scanners, POS Equipment, Batteries, We Repair, Buy and Sell Barcode Scanners, Mobile Computers & Printers, Tablets and Accessories. Carlton's your one stop shop for mobile devices; repair and resale of pre owned mobile computing devices; refurbished products include mobile computers, barcode scanners, mobile printers, smartphones and tablets and batteries; offers all appropriate accessories such as chargers, cradles, cables, holsters, carrying cases, hand straps and stylus are available; capabilities include depot repair, mobile device