DVB-C SD set top box Accord with DVB - C, mpeg-2, standard Support multiple QAM modulation mode, support on line upgrade SET300C-1 SD MPEG2 Set Top Box Feature 1.Accord with DVB - C, mpeg-2, standard 2.16QAM,32QAM,64QAM,128QAM,256QAM constellations3.Support several CA conditional access system4.Support EPG function5.A PAL/NTSC instructions adaptive6.A offers a variety of intelligent game, add ...