Dielectric, a privately owned US company founded in 1942, manufactures connectivity infrastructure for the broadcast industry. Employing approximately 140 people, the company designs and produces television and FM broadcast antennas, transmission lines, and related radio frequency (RF) systems. Its products serve a range of clients, from those operating low-power stations in rural areas to high-power broadcasters in major cities. In 2024, the company's revenue was less than $25 million.
Dielectric announced the launch of its RingMaster Series of broadband FM antennas in June, with initial installations already in operation. These antennas aim to lower system costs and complexity while retaining full FM bandwidth. A patent-pending design is noted for advancements in cost, components, and control. On September 2nd, 2025, Dielectric highlighted the RingMaster Series' deployment on broadcast towers in Raymond, Maine. Separately, Dielectric announced that its new ring-style antennas, the RingMaster line, are now shipping. These antennas utilize a combination of new and existing technologies. Finally, Dielectric is partnering with Foccus Digital in Brazil to expand its broadcast business there, supplying various TV and FM radio projects, including low-power systems. Dielectric expects to begin production of dielectric film in November or December 2025.
Dielectric's customers primarily consist of broadcast television and radio and connectivity and distribution services companies. Examples of Dielectric's customers include BAI Communications and Television Jamaica.
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