The iM891A-XL Wireless M-Bus module offers a cost-effective RF solution for smart metering applications in the 868 MHz frequency band. It supports all major unidirectional and bidirectional wireless M-Bus modes (S, C, T and combined C/T) with packet formats A and B as well as the OMS security modes 5 and 7.
With an integrated +22 dBm power amplifier and a sensitivity of -149 dBm, a sensational link budget of 170 dB can be reached. This makes the iM891A-XL an ideal solution for smart metering applications connecting water, heat, electricity and gas meters with data concentrators.
The module has an exceptionally small footprint (16.8 mm x 18.6 mm), comes equipped with a serial interface as well as analog/digital inputs and outputs to accommodate interfaces with a customer’s system.