The mini carrier board PRO is the most compact high-end solution. This carrier board ensures the distribution of signals and current.
The Pro version integrates a power distribution card and includes two 5.3v voltage converters, which provide power redundancy to the autopilot, a current probe as well as a voltage probe. This very compact set includes all the elements necessary to accommodate a Cube and allows easy and clean assembly on all types of chassis. It optimizes assembly and saves significant space.
https://www.suasnews.com/2023/12/airbot-mini-carrier-board-pro-v2/