EARTEC HUB7S Ultralite-HD 7 Person Full Duplex Wireless Intercom .. -OPEN BOX
Item model number: HUB7S. Manufacturer: Eartec. Form Factor:Intercom Headset. HANDS-FREE FULL DUPLEX: Wireless headsets operate on 1.9 GHz frequency to avoid interference with other devices; allows for simultaneous communication for 7 users.