Rental of Bartech mod-M28VP Wireless focus controller. It is a totally reliable and easy work tool to use . It has Heden ZB / SLD FMG-6 motors or the new M-One motor, more modular with accessories, that allows comfortable mounting of several receiver and parallel motor units.
The transmission frequency can vary between 8 channels, with 900 MHz of data transmission. You can also adjust the strength of the motors.