[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 2242 Wireless M-Bus Q&A Related Knowledge Base Posts -[W-MBUS] “We did configure one module in Sniffer mode and the other one in continuous data packet transmission. Whatever the transmission mode selected ( T2 or T1) the sniffer sees datapackets in 06 mode meaning T2 configuration. “[W-MBUS] I would like to ask you, if the 1701HP uses 5V or 3.3V logic level for the I/O’s (CONFIG, RESET, etc.)[W-MBUS] Say we have 1 central unit with 1 wMBus receiver and another wMBus device with bi-directional communication, can the central unit operate in T2 mode and communicate with both types of end devices?