Data Sheet for Product

21
Smart Infrastructure
CE2N5324en
2021-03-
19
NB-IoT module
NB-IoT-EXT
Function description
The NB-IoT module sends the meter data over a NB-IoT network to an application server
(control unit) that the end customer can access. The meter data is transmitted immediately
after start. The mobile ‘Elvaco OTC APP’ from Elvaco can configure the module.
The NB-IoT telegram has the following data points:
● Energy (kWh)
● Volume(m
3
)
● Power (kW)
● Flow (m
3
/h)
● Flow temperature (°C).
● Return temperature (°C)
● Serial number
● Error flag
● Data and time of meter reading
NOTICE
The module is displayed as 'MB G4'. The module is suitable for UH50.. meters as of firm-
ware ≥5.15.
GPRS module
WZU-GPRS
Function description
The module (WZU-GPRS) is a GSM/GPRS module with M-bus master. The module reads
the values of the meter that support the M-bus protocol and stores the data. It is supplied
complete with an external antenna.