What wireless functions does Alfred support? Blair April 10, 2019 21:03 Updated Model DB1-B and DB1-C have built-in Z-Wave modules. The DB2-B supports plug-in wireless modules (sold separately). Related articles Which Z-Wave hubs work with Alfred's Z-Wave module? How many users can receive a Bluetooth™ key? What features are included with the Alfred Z-Wave lock? How do I use the one-touch unlock functionality? How many scheduled PIN Codes can I create? Comments 0 comments Please sign in to leave a comment.