DTV Transmitters For over 50 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 StateUHF Medium Power Liquid Cooled All-In-OneUHF Medium Power Air Cooled Solid State UHF Low Power Air Cooled Solid State VHF B3 High Power Liquid Cooled Solid StateVHF B3 High Power Air Cooled Solid StateVHF B1 Med. & High Power Liquid Cooled Solid StateVHF B1 Low Power 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 email@example.com for assistance with your station’s needs, including transmitter upgrades, RF channel changes, or replacement of existing DTV transmitters!