Eartec - UltraLITE Pro16 Remote (2 oreilles) UltimatePTZcams Frequency hopping is the name

Frequency hopping is the name of the specialized wireless protocol used by all E-Pak systems to avoid or circumvent interference

full duplex

8 x Remote Headsets UltraLITE Pro16 with microphone

EVADE XTreme are standalone full duplex wireless headsets  used in a multitude of industrial applications where a hard hat or hard hats are required

Eartec - UltraLITE Pro16 Remote (2 oreilles) UltimatePTZcams Frequency hopping is the nameThe UltraLITE Pro16 all in one wireless headsets can connect up to 16 users in full duplex without a base station or hub. Designed with an ultra fast microprocessor that provides two simultaneous hands free communication channels, the Pro16 allows separate groups to talk privately. more (link coming soon). Cannot be used alone. This headset can only work with one or more other Main and Remote headsets from the Eartec UltraLITE Pro16 series. Technical