BS EN 13757-2:2018 Communication systems for meters Wired M-Bus communication

Telemetering equipment
Communication networks
Radio equipment
Radiofrequencies
Physical layer (OSI)
Meters
Data link layer (OSI)
Radiocommunication
Telemetry
Distant-indicating instruments
Telecommunication

Link: BS EN 13757-2:2018 Communication systems for meters Wired M-Bus communication
Source: BSI Standards