WiTalk9 6-Per 1.9GHz Intercom | Saramonic,6-Apartment Building Audio Intercom Set,WiTalk-WT9D 9-Person Full-Duplex 1.9GHz Wireless Dual-Ear Headset Intercom System with Hub & Case,WiTalk-WT8D 8-Person Full-Duplex 1.9GHz Wireless Dual-Ear Headset Intercom System with Hub & Case,Stay Connected and Secure! Introducing the Commax Multi-Button audio station – intercom system perfect for apartments and condos. Boost security with the apartment call and talk button on the lobby panel. Plus,