[W-MBUS] Can I buy MBUS1 or MBUS2 modules? No, these are obsolete and replaced by MBUS3. Last Update: August 8, 2017 December 13, 2016 2797 Wireless M-Bus Q&A Related Knowledge Base Posts -[W-MBUS] How can I save power by setting the module in Sleep mode?[W-MBUS] Is the firmware included in module? Are there are any additional cost regarding firmware?[W-MBUS] What are the wMbus 169 TX specifications like duty cycle and data rate(s)