Silicon Labs and IMST join forces on smart energy solutions

March 02, 2011 // By Julien Happich
Silicon Labs and IMST join forces on smart energy solutions
Silicon Laboratories and IMST GmbH jointly released a turnkey wireless M-Bus solution designed for the smart energy market. The comprehensive hardware/software solution combines IMST's industry-leading expertise in the wireless M-Bus market with Silicon Labs' Si10xx wireless microcontroller technology to simplify the deployment of ultra-low-power, high-performance, pre-certified wireless M-Bus modules for smart meters.

IMST's iM871A wireless M-Bus module offers a cost-effective RF solution for smart metering applications connecting water, heat, electricity and gas meters with data concentrators in the 868 MHz frequency band. Using Silicon Labs' high-performance Si1002 wireless MCU, the iM871A module can achieve a link budget up to 120 dB when operating in R2 mode. This link budget is especially critical in addressing wireless communication requirements in challenging environments inside residential and commercial buildings.

The iM871A module measures 17x19mm, it comes equipped with a serial interface as well as analog and digital inputs and outputs to accommodate interfaces with a customer's system, and is fully compliant with the EN 13757-4 standard. With a standby current of less than 1 microamp, the iM871A is well-suited for applications requiring long battery life such as water and gas meters.

The iM871A module solution is compatible with a wide range of wireless M-Bus devices in the field. It supports all major unidirectional and bidirectional wireless M-Bus modes (S1, S2, T1, T2 and R2) in addition to all tolerance specifications, enabling the highest possible flexibility in metering environments.
More information about the iM871A wireless M-Bus module at www.wireless-solutions.de

Visit Silicon Labs at www.silabs.com/pr/wirelessmcu

Visit IMST GmbH at www.imst.com


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