Wireless communication interfaces

Wireless M-Bus Modem
Wireless M-Bus AMR (Automatic Meter Reading) plug-and-play modems automatically collect energy data from water and gas meters. They autonomously read data (index) from water and gas meters. 100% compatible with the Wireless M-Bus standard (EN13757-3 and EN13757-4), device open protocols ensure full interoperability with other Wireless M-Bus products on the market.
ARF868 wireless modem
ARF868 wireless modems convert data from a serial link into a wireless frame to send to a similar device in the frequency range 863-870 MHz. The power and sensitivity allow the data to be transmitted over distances of up to 20 km.


Wireless M-Bus modems

Battery life

• Runs on battery for up to 12 years.

Ease of installation

• Factory pre-programmed
• Quick installation.
• Robust IP65.

Long range

• Up to 1 km. Range can be increased by installing repeaters.

2 pulse inputs

• A single transmitter can handle two meters.
• Compatible with all water and gas meters.


• Wireless transmission of metering data (consumption) every 10 minutes (10s or 12hrs optional).


• Wireless M-Bus wireless relay of metering data (consumption).
• Multiple repeaters can be used to extend the range.


• Wireless M-Bus metering data (consumption) wireless receiver.
• RS485, RS232 or USB serial port.
• Remote antenna.

ARF868 wireless modem

Sensitivity, transmission/reception quality

• Power 25 mW or 500 mW at 868 MHz.
• Licence-free frequencies on European bands (863 - 870 MHz) or frequencies subject to license (410 - 470 MHz).

Ease of installation

• Quick installation
• User-friendly and configuration with intuitive software
• The product can be configured as a transmitter, receiver or repeater.

Long range

• 1 to 20 km.

Several types of communication

• RS232, RS485 or USB serial port.