This is an innovative card reader with many features. Features: 4G/LTE Connectivity, EMV Certified, Ultra-Fast processing, Maximum Data-Capture, Stored Value Compatibility, VMS Integration. This adds convenience for your customers. Plug-n-play for vending machines that are configured MDB and have software for a card reader. You may need to update the software. This part will only works in a vending machine that operates on MDB and has the correct software.