Conference Phone, PoE ethernet cable, plus 2 extender microphones. https://www.poly.com/ca/en/products/phones/trio/trio-8800 -Two-port gigabit Ethernet switch(10/100/1000 Base-TX across LAN) -2nd port supports IEEE 802.3af PSEWi-Fi network connectivity: 2.4-2.4835 GHz (802.11b, 802.11g), 5.15-5.825 GHz, 2.4 and 5 GHz (802.11n) -Clearest and richest audio in a conference phone -Register up to 3 separate lines -Pair portable devices via USB, Bluetooth/NFC or IP