[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 968 Wireless M-Bus Q&A Related Knowledge Base Posts -[W-MBUS] could you see a problem in module sensitivity without power on VCC_PA Pin?[W-MBUS] How many meters (slaves) do the MBUS3 or MBUS4 support?[W-MBUS] Since the user manual aslo states (again at pag. 4) that “When blue data appears, it doesn’t guarantee that this data has been sent over RF, it has been sent into the serial port only, as this depends on the state of the RF module”, I suspect that the RF module can be in different “states”. Is it true? Wich are these states? How can we handle them?