1.It has voting,video tracking,electing ,sign-in and discussion   functions.
2.It offer three groups of terminal interconnecting interface for   microphone connection.
3.It can connect 75 units microphone in one system, and it can increase to   512 units microphone with the expander.
4.Its meeting model :FIFO/LIMIT/FREE/CHAIRMAN.
5.It supports communication interface:RS-485,RS-32,RS232/RX, RJ45 .
6.It supports a variety of camera protocols:Peclo_p, peco_D, VISCA_SONY,   SAMSUNG.