Magtek 21073131 Usa Point-Of-Sale Card Reader ...  Credit Card Reader  MagTek iDynamo  21073131-MAGTEK-TGATE Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. ...  Credit Card Reader  MagTek iDynamo  21073131-MAGTEK-TGATE