HMI matrix extender through switch with supports IGMP, support 16 PCS transmitter and up to 200 receiver. It delivers reliable HDMI transmission over single cat5/6 cable and enable matrix extender function through LAN switch which supports IGMP, it supports TCP/IP. HD-308T/R matrix is suitable for a long time to work, after thousands of testing, to ensure the stability of performance. HD-308 T/R matrix is easy and simple to build video network matrix and it is with good stability and anti-interference capability.