COMARK offers a complete line of very low power (75W-600W) Low Power (250W-2.0kW), and Medium/High Power (>2kW) solid state transmitters. Various transmitter configurations are available depending on the requirements (VHF / UHF, air / liquid cooled, Class AB / Doherty). In addition to solid state transmitters, COMARK offers the necessary sub-system support products including RF mask filters, RF couplers, cooling systems, and equipment racks.
VLP-5000 Series of very low power DTV transmitters
  • 75W through 600W models, air cooled for VHF or UHF
  • Built-in Digital Adaptive Precorrection (DAP); lowest cost of operation with very high system efficiency
  • Front panel user mentoring / control MMI including real-time temperature display and over temp alarm
  • Optional RF tuner for operation as DTV translator
  • AGC with muting and soft start to avoid output RF power surges

    VLP-5000 Datasheet Link
LPTV-8000 Series of low power DTV transmitters
  • 250W through 2.0kW models, air cooled for UHF
  • ATSC-8000 exciter with built-in Digital Adaptive Precorrection (DAP) streamlines RF performance and signal coverage
  • Ultra-reliable power amplifier utilizing an over sized heat sink maximized by air cooling
  • Fixed ATSC and Mobile ATSC compatible; SFN available optionally
  • Optional RF tuner for operation as DTV translator
  • Dual TS inputs (DVB-ASI or SMPTE-310M auto sensing), provides seamless A/B input redundancy
  • Dual Drive exciter option for increased redundancy

    LPTV-8000 Datasheet Link
MPTV-8000 Series of medium power DTV transmitters
  • Output Power Levels of 2kW to 30kW available
  • Available in both air or liquid cooled for VHF or UHF bands
  • UHF with Doherty amplifiers, provide 40% efficiency
  • ATSC-8000 exciter with built-in Digital Adaptive Precorrection (DAP) streamlines RF performance and signal coverage
  • Fixed ATSC and Mobile ATSC compatible; SFN available optionally



    Contact your sales representative for a copy of the datasheet


ATSC Translators / On-Channel Digital Repeaters

  • Single chassis (1RU) translator platform for integrated or standalone operation
  • Wide dynamic RF channel input range and high sensitivity
  • Built-in Digital Adaptive Precorrection (DAP) streamlines RF performance and signal coverage
  • On-Channel Digital Repeaters (OCDR) in 75 through 300W
  • Compatible with A/53 and A/153 ATSC fixed and Mobile DTV standards.
  • Superior Echo Cancellation automatically and continuously eliminates dynamically varying echoes
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