Poly G7500 Video Conferencing Equipment - For Video Conferencing, Audio Conferencing - 3840 x 2160 Video (Live) - 3840 x 1080 Video (Content) - H.323, SIP, H.239, H.235.6 - 4K UHD - 4K UHD - 60 fps - H.264 AVC, H.264 High Profile, H.265, H.264 - Siren 22, G.719, G.722.1C, G.722, G.722.1, G.711, G.728, G.729a - 1 x Network (RJ-45) - 1 x HDMI In - 2 x HDMI OutAudio Line In - Audio Line Out - USB - Gigabit Ethernet - Wireless LAN - External Microphone(s):