Intercom up to eight others without a hub using this CoMo Wireless Intercom Headset from Accsoon. This host headset connects to remote headsets up to 1300' away, providing clear intercom audio with zero sound leakage for over 13 hours. The headset doesn't need an external hub to operate, and features a battery, antenna, microphone, a single earpiece, and a padded, adjustable head strap, all built in.