The iU891A-XL is a compact and cost–effective USB stick based on the Long Range Radio Module iM891A-XL that operates in the unlicensed 868 MHz 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.
The solution comes with an external SMA-antenna, see article 404829.
With an integrated +22 dBm power amplifier and a sensitivity of -149 dBm, a sensational link budget of approx. 170 dB can be reached. This makes the iU891A-XL an ideal solution for smart metering applications connecting water, heat, electricity and gas meters with data concentrators.
