BS EN 13757-4:2019 Communication systems for meters Wireless M-Bus communication

Distant-indicating instruments
Telemetry
Information exchange
Radiofrequencies
Data transmission
Open systems interconnection
Communication networks
Meters
Physical layer (OSI)
Telecommunication
Telemetering equipment
Radiocommunication
Data link layer (OSI)
Radio equipment

Link: BS EN 13757-4:2019 Communication systems for meters Wireless M-Bus communication
Source: BSI Standards