Zubax Orel is an advanced ESC (BLDC motor controller) with doubly redundant CAN bus interface, designed for unmanned aerial vehicles. Zubax Orel runs PX4 Sapog - an advanced open source multiplatform BLDC motor controller firmware.
Download the datasheet: https://files.zubax.com/products/io.px4.sapog/Zubax_Orel_20_Datasheet.pdf.