The model of SG-TM308 is a new launch digital transmitter module from SAFE GUARD company which adopting of the latest COFDM and H.265 video coding technology that support multiple IP input with triple video interfaces (HDMI/SDI/CVBS), and is capable for non-line-of sight (NLOS) transmission.As its such an efficient and innovative H.265 compression coding method,the module has achieved effective improvements in improving coding efficiency,reducing coding delay,algorithm optimization,anti-erro rate and the image quality which achieves the best image compression effect and enable to input of multiple UDP compliant IP video streams.Due to these perfect features,it perfectly accomplish of multi-channel video transmission simultaneously by connecting a single transmitter in single frequency. It is widely used in high standard unmanned control system and intelligent control equipment for multi-channels video transmission.