Smart meters are mostly communicating according to wM-Bus standard over a relative short range. Therefore, a large-area reading of meters is not possible.

Smart meters are mostly communicating according to wM-Bus standard over a relative short range. Therefore, a large-area reading of meters is not possible.
The LoRaWAN CertificationCM provides assurance to end customers that the end device will operate on any LoRaWAN® network.
The Wireless M-Bus Range Extender significantly extends the range of existing infrastructures