Dielectric is a privately owned company headquartered in the US. Founded in 1942, Dielectric employs approximately 140 individuals and reported $18.0M in revenue as of 2024. The company specializes in connectivity infrastructure, focusing on the manufacture of television and FM broadcast antennas, transmission lines, and RF systems. It equips television and radio broadcasters with antenna and signal-transmission systems designed to meet the needs of low- and high-power users, serving both rural audiences and major metropolitan markets.
Dielectric, the Sinclair Inc.-owned manufacturer of broadcast antennas and RF systems, expanded its OptiLoad series with a new external heat exchanger system, as unveiled on March 30, 2026. This product aims to improve thermal management, reduce noise, and lower HVAC requirements by moving heat generated by RF loads outside of transmitter buildings. The company previously announced on March 29, 2026, its plan to showcase this new external heat exchanger system at the NAB Show. Earlier, on March 27, 2026, Dielectric detailed that this latest addition enhances the OptiLoad platform by transferring heat from RF loads outside transmitter facilities, which improves thermal efficiency, reduces operational noise, and lowers reliance on HVAC systems. Dielectric initially confirmed the expansion of its OptiLoad series with this new external heat exchanger, set to debut at NAB Show 2026, on March 25, 2026.
Dielectric's customers primarily consist of connectivity and distribution services and broadcast television and radio companies. Examples of Dielectric's customers include BAI Communications and Television Jamaica.
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