Dielectric, a privately owned US company founded in 1942, manufactures connectivity infrastructure for the television and FM broadcast industries. Employing approximately 130 people, the company designs and produces antennas, transmission lines, and radio frequency (RF) systems. These products serve a range of broadcasting needs, from low-power rural stations to high-power metropolitan markets. In 2023, the company reported revenues of approximately $10 million.
Dielectric announced two new OptiLoad designs at the NAB Show 2024, expanding the OptiLoad line to detect and prevent transmission system failures in liquid-cooled UHF and VHF TV systems. These innovations combine passive RF equipment electronics and sensing. On March 18, 2025, Dielectric announced two additional OptiLoad designs, OptiLoad FM and OptiLoad Light, extending the original OptiLoad's capabilities to radio and more TV systems. These new models were set to be unveiled at the NAB Show 2025. Also in 2025, Dielectric planned to showcase recent advancements in FM antennas and RF systems at the NAB Show, including the DCR-E FM antenna, the seventh model in its DCR ring-style antenna family, which began shipping recently.
Dielectric's customers primarily consist of broadcast television and radio and connectivity and distribution services companies. Examples of Dielectric's customers include Television Jamaica and Boldyn Networks (BAI Communications).
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