DTV Transmitters For over 45 years Hitachi-Comark has been a trusted partner to TV broadcasters. We offer broadcasters: More Options. More Solutions. More Services. UHF High Power Liquid Cooled Solid StateUHF High Power Air Cooled Solid StateMedium Power All-In-One UHF Medium Power Air Cooled Solid StateUHF Low Power Air Cooled Solid StateVHF Med. & High Power B3 Liquid Cooled Solid StateVHF Low Power B3 Air Cooled Solid StateVHF Med. & High Power B1 Liquid Cooled Solid StateVHF Low Power B1 Air Cooled Solid StateDTV Exciters Hitachi-Comark is an industry leading manufacturer and supplier of DTV Transmitters, encoding systems, and associated field services. We offer equipment for ATSC / DVB / ISDB-T High Power Liquid Cooled Doherty Solid State Transmitters Medium Power Air Cooled Doherty Solid State Transmitters Low Power TV (LPTV) Systems Covering UHF, VHF Band 3, and VHF Band 1 MPEG Encoding & Transport Stream Management ATSC 3.0 System Upgrades DTV Exciter Retrofits Contact Hitachi-Comark at firstname.lastname@example.org for assistance with your station’s needs, including transmitter upgrades, RF channel changes, or replacement of existing DTV transmitters!