Smart Metering Modems offer remote meter readout via CDMA 450 / 2G / 3G / 4G / LTE Cat.M / Cat.NB cellular networks. Upgrade your modem from 2G/3G to 4G LTE!

The heart of any remote meter reading solution is a modem that reads consumption data from the meters and sends it to a central server.

Our smart meter modems are designed specifically to be fully compatible with the electric meters of flagship manufacturers (Landis, Itron, Elster/Honeywell, EMH, SAPHIR, PME-PMI).

The hardware design and software satisfies the manufacturer’s requirements, the cases are designed to fit under the terminal covers, the power consumption of the modem is optimized for the specific meter etc. Smart electricity metering has never been so easy!

Our modems can be integrated into any AMR/AMI solution easily.

WM System has supplied more the 100k modems to the biggest utilities around the world to support their smart grid initiatives.

We offer modems for electricity and water metering.

Product customization is available for our clients. Need a special protocol or port? Contact us!


External 4G LTE Cat.1 and Cat.M / Cat.NB transparent modem for universal meter connection

WM-E1SI Modem for Itron Meters

This cellular modem has been specifically designed for use with specific Itron® electricity meters. The modem has RS232/RS485 connection capability, […]


Cellular modem specifically designed for the Honeywell / Elster AS3000 and AS3500 MBUS electricity meters. Available for 2G / 3G / LTE Cat.1 / Cat.4 / Cat.M / Cat.NB networks.

WM-E1S Modem Elster Meters

Cellular modem for Honeywell / Elster Alpha A1500, A1700, A1800 and the A1140/A1160 electricity meters. Available for  CDMA 450 / 2G / 3G / 4G / LTE-M / Narrow Band networks

WM-E1SL Modem for Landis Meters

Cellular modems for Landis+Gyr E350, E450 (ZMD310, ZMD410 type) and E650 type electricity meters – CDMA 450 / 2G / 4G LTE Cat.1/ Cat.M / Cat.NB

WM-E2S Modem for Itron Meters

Cellular modem specifically designed for the Itron ACE6000, ACE8000 and ACE SL7000 electricity meters. Available for 2G/3G/4G LTE Cat.1/Cat.M/Cat.NB modems networks.

WM-E2SL Modem for Landis+Gyr Meters

Cellular modems for Landis+Gyr E350, E450, E550 (type ZxG 3xx and ZxG 4xx) electricity meters – optional cellular modules: CDMA 450/2G/3G/4G/LTE450/Cat.M/NB

WM-E2S Modem for PME-PMI Meters

Cellular modem specifically designed for PME-PMI meters. Available for 4G LTE (with 2G/3G fallback)

WM-E1S Modem for SL7000 Meters

Cellular modem specifically designed for the Itron SL7000 electricity meters

WM-E1S Modem for SAPHIR Meters

Cellular modem specifically designed for SAPHIR electricity meters

WM-E3S Modem for Elster ASx Meters

Cellular modem specifically designed for Honeywell / Elster AS220/AS230/AS300 and AS1440, AS3000/AS3500 electricity meters. Available for CDMA 450 / 2G / 3G / 4G / LTE-M / NB networks

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