[W-MBUS] How many times can I write a KEY to the MPC1 The max write cycles is 1000, Last Update: September 14, 2017 September 14, 2017 2523 Wireless M-Bus Q&A Related Knowledge Base Posts -[W-MBUS] “i tried to use with 2 demo boards the mailbox feature on a master but I failed , I didn’t see any reply fom master to slave in packet sniffer. Is it implicit ? “[W-MBUS] I need to realise a smart metering network using 169 MHz and WMbus standard. What option do you have?[W-MBUS] I am asked to login for the MBUS User manual. Is there anything different about this manual or is it the one we already have ‘Manual Demo MBus’ ? If it is different, could you please forward it to me ?