WirelessHeadsetsCoaching CommunicationsWelcome coaches communication,ComStar,digital wireless,Duplex,football communication system,football wireless,headsets,headset communication,Porta Phone,PortaPhone,radio headsets,sideline communications,Simplex,Simplex wireless,two-way headsets, Com STar Porta Phone Wireless Headset Communication Systems allow multi-coach football athletic staff to talk simultaneously just like on wired systems. This flow of digital information supplies an open line, simultaneous talking pattern between coaching staff members. Porta Phone systems are built to meet the requirements of demanding Football staffs and are completely portable and simple to install in your home stadium. Digital format is a major breakthrough in wireless communication.