[W-MBUS] I sent a OMS telegram (A) to RC1180 and I tried to view data telegram with MBUS Demo Snifer ( MasterMBUSReveive.jpg), but I don’t found any CRC. The CRC check is done internally inside the module, and you will for this reason not see the CRC un the UART message. Last Update: January 18, 2018 January 18, 2018 1101 Wireless M-Bus Q&A Related Knowledge Base Posts -[W-MBUS] “We are going to use RS1180-MBUS modules in our project. Please tell me how it works in a network in repeater. Is it possible to use routes in a network? “[W-MBUS] Is the firmware included in module? Are there are any additional cost regarding firmware?[W-MBUS] What kind of antenna can I use with Wireless M-Bus?