Telemetry gateway WebdynEasy W M-Bus

IoTNB-IoTwireless

Product overview
The WebdynEasy W M-Bus is a Wireless M-Bus gateway for telemetry of utility meters and wireless M-Bus sensors. Available in 868 MHz or 434 MHz variants, it supports NB‑IoT (Cat NB2), Cat M1 (LTE‑M) and GSM/EDGE fallback to upload files and telemetry over cellular networks. The device supports battery operation with long autonomy, easy field installation and remote configuration.

Main features

• NB / LTE‑M / GSM connectivity (Cat M1 and NB2 supported bands vary by variant)
• Wireless M‑Bus radio: 868 MHz (T1, S1, C1) or 434 MHz (T1, C1) depending on model
• Battery operation with long autonomy (up to 10 years, application dependent)
• Wallmount with optional DIN‑rail accessory
• IP67 enclosure for outdoor and harsh environments
• Plug & Play installation and remote configuration
• FTP / FTPS upload support and data encryption

Hardware features

• Cellular radio: NB‑IoT (Cat NB2) and Cat M1 (band support depends on variant) plus GSM/EDGE fallback (850/900/1800/1900 MHz)
• Wireless M‑Bus interfaces compliant with EN13757‑4 (868 MHz variant: T1, S1, C1; 434 MHz variant: T1, C1)
• Internal rechargeable lithium‑ion battery and external 12 V input via terminal block
• Internal SMA connectors: one for Wireless M‑Bus (model dependent) and one for LTE/4G
• Mini SIM card holder and mini USB connector
• Offset antenna to facilitate installation

Software features

• Plug & Play deployment and automatic start options (magnet or automatic)
• Remote configuration and monitoring
• Support for FTP and FTPS protocols for file upload
• Data encryption for secure transmission

Strengths & benefits

• Energy‑aware design for fast field deployment and reduced maintenance
• Autonomous operation with multi‑year battery life (up to 10 years depending on settings and network)
• Multi‑network cellular support: NB, LTE‑M or 2G (GSM) depending on variant and region
• Compatibility with common Wireless M‑Bus meters and sensors (T1, S1, C1 where supported)

Applications

• Remote meter reading and telemetry for water, gas and heat meters
• Reduced site visits and maintenance costs through remote data collection
• Energy efficiency monitoring and multi‑fluid consumption management

Specifications comparison

• WebdynEasy W M‑Bus 868 MHz: Cat M1 bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85; Cat NB2 bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28/B66/B85; GSM/EDGE fallback 850/900/1800/1900 MHz; W‑MBus modes T1, S1, C1
• WebdynEasy W M‑Bus 434 MHz: Cat M1 bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66/B85; Cat NB2 bands B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B25/B28/B66/B71/B85; GSM/EDGE fallback 850/900/1800/1900 MHz; W‑MBus modes T1, C1

Connectors & interfaces

• 1x internal SMA for Wireless M‑Bus (model dependent)
• 1x internal SMA for LTE/4G
• 1x mini USB connector
• 1x terminal block for external 12 V power
• 1x mini SIM card holder

Additional notes

• Wallmounting with optional DIN‑rail accessory
• Status LEDs indicate device state
• Offset antenna improves installation options in confined spaces

Technical specifications

• Internal rechargeable lithium‑ion battery with up to 10 years autonomy (battery‑supported operation)
• Max consumption: up to 5 W
• DC input: 7.2 V lithium‑ion battery, external 12 V terminal block available
• Operating temperature: -20 to 55 °C
• Storage temperature: -20 to 70 °C (with battery recommended -20 to 25 °C)
• Humidity: typical operational range 25–75%
• Dimensions: 160 x 150 x 55 mm
• Weight: approx. 600 g with battery
• Protection rating: IP67
• Mounting: wallmount (DIN‑rail optional)
• Wireless M‑Bus: 868 MHz or 434 MHz (EN13757‑4), modes T1, S1, C1 as applicable
• Cellular: NB‑IoT (Cat NB2), Cat M1 and GSM/EDGE fallback (band support varies by model)
• Connectivity: FTP / FTPS upload, remote configuration, data encryption
• Interfaces: SMA antennas (internal), mini USB, mini SIM holder, terminal block for power
• Certifications: RED, RoHS, REACH