maximal 4-channel TS input; Output 4 neighbour frequencies; RF and IF output after receiving the SPTS or MPTS; TheV-SHINE®NVQM-4 4-channel QAM Modulator is a high-performance QAM modulator with frequency agility, using the complete digital modulation and the high/middle frequency technology and supporting ASI and DS3 signal input. It could also implement the independent input of multi-TS, execute ...