Intercommunication system operating via a proprietary wired and wireless network consisting of one or more base stations, headsets and headphones, radio transceivers, antennas, radio packs, wired packs, and expansion units for providing wired and wireless, hands-free, party-line and point-to-point communication among fixed work groups of people

Communications headsets

Intercommunication system consisting of a base station, headsets and headphones, antenna, wireless beltpack, and wired beltpack, for providing wired and wireless, hands-free, closed loop, party-line communication among fixed work groups of people

Providing on-line non-downloadable software for controlling, monitoring, and distributing audio and data for intercom and intercommunications systems; Providing on-line non-downloadable software for controlling, monitoring, and distributing audio and data for intercom and intercommunications systems operating via either a proprietary or open standards wired or wireless network consisting of one or more base stations, headsets and headphones, radio transceivers, antennas, radio packs, wired pa...

Satellite data network routers for use in marine environments and other remote locations that manage traffic over satellite links to limit airtime usage and the effective cost of transmission