Compatible with the RPB Nova 2000 blast helmet. The Nova Talk facilitates communications between the blasting operator and other team members. Integrates with most common 2-way radio systems. Encased in the Nova 2000’s interior lining are the earpieces and microphone. In addition to this, other personnel working on the same radio frequency can tune in. It’s especially useful for crews working in tanks, shipyards and other difficult access areas.