What products use NGA key injection protocol?
VP6300,B100,K100,L100,SpectrumPro,VP3320,VP3600,VP5300,VP5300M,VP6300,VP6300,VP6800,VP8800,VP5200,VP6300,MiniSmart,Augusta,AugustaS
VP6300,B100,K100,L100,SpectrumPro,VP3320,VP3600,VP5300,VP5300M,VP6300,VP6300,VP6800,VP8800,VP5200,VP6300,MiniSmart,Augusta,AugustaS