QAM (DVB-C) Modulator combines with max.4 demodulators, 8 MPEG-2 encoders, 4 multiplexers, 4scramblers,4 modulators DS-H888X Serial Multi-Function ... °C Humidity: 10% — 75% Power Supply: AC90 — 260V, 50/60Hz Power 43W Dimension: 444 × 400 × 44mm Weight : 6kgRear Panel:Ordering information DS ... Modulator with 4 DVB-S2 Demodulators plus 4 CI Slots DS-H888X QAM ( DVB-C ) Modulator