Smarter, Stronger, Faster. The latest development from Firstech, CM-X controller builds on the success and Firstech history and adds even more features, and flexibility. CM-X firmware updates can be done via the DroneMobile App or activation portal. CM-X has 4x the flash memory size, 5x more SRAM size, 32-bit processor, 72MHz Clock Speed, lower standby current, and dampproof circuit-board coating.