MBUS GATEWAY - Programmable industrial converter M-BUS protocol/interface to Modbus TCP / MQTT / SNMP, up to 6x RS-232/485, up to 2x Ethernet TCP, up to 2x GPRS/3G/4G/LTE modem
Multiprotocol Gateway for LonWorks, Modbus, M-Bus and OPC for building automation | E-Controls.es
GitHub - picohari/atmega128_alpine-mbus-emulator: Alpine M-Bus CD Changer Emulator with ATmega128 and LCD