... , 4 loops through output 4 in 1 FTA IRDOutline NDS3931 4 to 4 (4 in 1) FTA IRD is a cost ... the space of frame rack and power consumption. In general, it greatly optimizes the functionality and structure of ... 4 to 4 IRD module design, more compact in structure Standard 19″1U structure Specifications Tuner IN4×input ... Code Rate1/2, 2/3, 3/4, 5/6, 7/8QPSKVideo OUT4×CVBS (RCA interface)Audio OUT4×Audio ...