OpenKey in the industry standard for Digital Key in hotels. Financially backed by several of the largest publicly traded hote ... l owners and management companies, OpenKey is revolutionizing guest access in hotels and resorts worldwide. In addition to the popular OpenKey app available for hotels to use as a mobile key, OpenKey has created innovative hotel technology to upgrade any hotel lock to work with digital key while maintaining the plastic keycard functionality. The OpenKey Universal BLE Upgrade Module is available for only $49 per door. Visit www.openkey.co to view all the innovative new hotel technology offered by OpenKey to increase guest engagement and satisfaction while lowering hotel operating costs and saving the environment. read more