SPON bank IP network intercom communication system uses advanced audio processing technology to transmit audio signals in the form of data packets in LAN and WAN. It is a set of ha...
Changsha SPON Communication Technology Co., LTD was established in 2002 with over 20000 Square meter workplace . It is a national high-tech enterprise which has own core intellectual property and innovative research & development capabilities. We have rich experience in IP video and audio products and PA system products.