Apantac OG-3G-Mux-12G-SET-1 is an openGear Bundle with OG-3G-Mux-12G-MB and OG-3G-Mux-12G-RM. OG-3G-Mux-12G-MB adds Quadlink 3G SDI input Mux to one single link 12G SDI outputs. OG-3G-Mux-12G-RM is a Rear Module (2 slots) with 4 x 3G input (quad link), 1 x 12G output, 1x multi-pin audio output, and optional Fiber SFP output.