IWM-LR4 is a LoRaWAN radio module applicable to the series of Woltmann water meters mod. WDE-K50.

In addition to information on current consumption, it allows to detect different types of attempted fraud against the meter, prolonged operation at maximum flow rate (Q4) and the presence of a potential water leak downstream of the meter.

IWM-LR4 has been designed to allow wireless remote reading in different types of applications in commercial and industrial sectors.

The radio module thanks to the Long Range LoRa radio technology and the compliance to the LoRaWAN standard can be integrated into multi-service networks.

Compatible products


Woltmann type pre-equipped for inductive remote reading modules


LoRaWAN gateway