M-Bus/169 MHz Repeater Ask us for more info on Product & Technology. Our engineering with its long experience has all kinds of building blocks for industrial data communication. Our competences include electronic developments based on LoRa, SigFox, 169 MHz, ..., usage of different processor platforms and integration of protocols & application software. We offer services from the initial concept to schematics, PCB design and prototyping. Our engineering also does approvals, compliance testing and coordination of production if necessary. Today our R&D focusses on critical low power & energy harvesting aspects. All development & production processes are ISO 9001:2008 quality controlled.