One of the first phones to support Sprint's new (late 2011) CDMA-based push-to-talk system. This big brother to the DuraCore is even more rugged, and adds a camera, memory card slot, and music player.

Sprint expects the new network to grow to the size of its current CDMA voice coverage area by the end of 2012. The Kyocera DuraMax is one of the first devices to run on the new network.