Compact wireless M-Bus module

11 June 2008 Telecoms, Datacoms, Wireless, IoT

Radiocrafts has developed a compact wireless M-Bus RF module for use in automatic metering reading (AMR) applications.

The wireless M-Bus standard (EN 13757-4:2005) specifies the communication between water, gas, heat and electricity meters or concentrators. The standard is becoming widely accepted in Europe as a basis for new advanced metering infrastructure (AMI) installations.

The RC1180-MBUS is a compact surface-mounted high performance module measuring only 12,7 x 25,4 x 3,3 mm including shielding, replacing tens of components compared to a discrete design. The module is delivered on tape and reel for volume production.

The module features a UART interface for serial communication and configuration, and a one-pin antenna connection. It supports two-way communication, enabling not only meter reading but also valve control and data acknowledgement. It meets the wireless M-Bus specification for all S1/2, T1/2 and R2 modes, and operates at 12 channels in the 868 MHz frequency band.

The RC1180-MBUS is pre-certified for operation under the European radio regulations for licence-free use. When used with quarter-wave antennas, a line-of-sight range of 500 to 600 metres can be achieved. The module is designed for use in battery operated systems, where it claims to offer up to 20 years of battery lifetime.

A demo kit is also available.

For more information contact Kevin Jurrius, Components & System Design, +27 (0)11 979 4274, kjcsd@global.co.za, www.csdcomponents.co.za

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