54 - 550MHz:
  Analog Video (AM/FM)
  6 MHz BW/Ch

550 - 750 MHz(or 860 MHz):
  Digital Video or Data (64 QAM)
  6 MHz (25~30 b/S) BW/Ch
  Control Data (QPSK)

UP STREAM

5 - 40MHz
  Digital Data (QPSK)
  1 - 5 Mbps

low distortion (typically greater than -60 dBc on intermodulation distortion products)
75 ohm system