Lumantek QUESTER DVB-C ( QAM-A/B/C ) Modulator

QUESTER Image

Features:

  • QAM Mode 16, 32, 64, 128, 256 QAM
  • Support for ANNEX A/B/C
  • Symbol Rate up to 10MSps
  • MER > 37dB
  • Output Frequency 54~860 MHz
  • Bandwidth support for 6/7/8Mhz
  • Output Level 42 ~ 55 dBmV
  • Null Packet Insertion
  • Null Packet Extract
  • PCR Re-stamping
  • TS Rate Monitoring (option)
  • PID Filtering (option)
  • PID Remapping (option)
  • PID Monitoring (option)
  • SPI input over DIN 25PIN connector up to 100Mbps
  • RS232 control port to remote management
  • User friendly LCD UI (with 4 line LCD)

Description:

The QUESTER is a broadcast DVB-C/OpenCable Television QAM modulator, ideal for broadcasting MPEG-2 transport streams to cable networks with agile frequency from 54 to 860 MHz. ASI/SPI input is compatible with existing DVB multiplexers, Encoders, or digital receivers.

The QAM modulation supports constellations of 16, 32, 64, 128, 256 mode making it possible to move up to 54Mbps of SPTS / MPTS streams across the cable network on the selected channel.

All parameters can be set via the front LCD panel display or remote control via RS 232. It has TS processing capability such as Null-packet Extract & Insertion and PCR re-stamping for Clock reference correction.