Smartico wM-Bus Reader NB-IoT WM-NB

The Wireless M-BUS Reader NB-IoT “Smartico WM-NB” is used for remote data collection from gas, water, electricity and heat meters via Wireless M-Bus interface and data transmission via NB-IoT networks.

(VAT excluded)
Out of stock
Available on: 09-05-2023
Commercially available
This product is already in mass production. Production batches are in route or stock is available. All certifications for the regional areas where the products are sold are obtained from competent institutions.

Key features highlights :

Protection from external interference and the transmission of an alarm message to the server.

Built-in non-volatile memory, archiving, built-in real-time clock.

Monitoring and transmission of the following parameters:

• the presence of an external magnetic field;

• battery discharge;

• monitoring the performance of internal sensors;

• control of impacts and changes in position;

• control of meters presence.

Network search and detection of metering devices.

Working with several metering devices at the same time.       

Flexible configuration of a set of transmitted parameters from metering devices.

Data transmission in mobile networks using NB-IoT technology (Cat NB1, Bands: B1, B3, B5, B8, B20, B28).

High-level protocols support by customer's request: COAP, LWM2M, DTLS, MQTT

Exclusion of the human factor when taking data measurements from metering devices.

Available with an external antenna.

Small dimensions, easy installation.

Battery life is more than 5 years.

Description :

The device wireless M-BUS reader NB-IoT “Smartico WM-NB” is used in various fields of industry, utilities and automation for remote data collection from gas, water, electricity and heat meters with the help of the Wireless M-Bus protocol and data transmission via via Narrow Band networks. Additionally, the device has an input for wired connection to the digital interface of Kamstrup meters as a standard. This input can also be used to count pulses. The design of the sensor in a waterproof housing allows external use. The sensor's compact size allows installation in confined spaces, and special adapters provide reliable mounting to a pipe or a flat surface without opening the case.


Compliance with LTE

Cat NB1

Frequency Bands

B1, B3, B5, B8, B20, B28

WM-Bus specification


Data encryption


Amount of connected wireless meters

Up to 4

Archive of events and messages


Connection of external antenna


Magnetic sensor




Ambient temperature, °C

-30 …+75°C

Built-in battery

Li-SOCl2 С

Battery capacity, mAh


Weight, g


Dimensions, WxDxH mm


Ingress protection


Specifications :
Seller Smartico, LLC
Manufacturer name Smartico
SKU 1689-11243
Manufacturer Part number WM-NB
Product Attributes Metering, Modems, Bridges
Other protocol M-Bus
Solution Represented Smart Cities, Energy and Utilities, Smart Industries, Smart Operations, Smart Building, Smart Metering
Power supply Non rechargeable battery
Battery specification (Wh) 6500
Battery type Other
Antenna Integrated
Sim card size select if applicable Nano SIM (8.8 x 12.3mm)
Operating Temperature (min to max) -30 …+75°C
Depth (cm) 10.0
Width (cm) 7.5
Height (cm) 3.5
Technical datasheet

Smartico wM-Bus Reader NB-IoT

Lead-time if backordered (in working days) 30-45
Lead-time if in Stock (in working days) 3
Seller conditions Seller commercial condition
Seller shipping condition
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