Concrete Agitators / Transit Mixers Since 2006, the Intellmix range of concrete mixer controls has set the standard for safety, reliability, and performance in Australia, with over a thousand units working on sites across the country each and every day. Built using our safety remote control technology, the system has simply the best radio system available. Teamed with innovative features and ongoing technology upgrades, the system will continue to be the best investment you can make in your machine.