RCA VH54N Matching Transformer - Coaxial to Antenna

The RCA VH54N is an indoor matching transformer that bridges the gap between two common antenna connection standards. On one end, it accepts a standard 75-ohm F-type coaxial connector (compatible with RG6 or RG59 cable), and on the other, it outputs a 300-ohm signal via flat twin-lead terminals. This makes it the right adapter when you need to connect a coaxial cable run to an older television, FM tuner, or other equipment that still uses the screw-terminal 300-ohm antenna input common on vintage and some specialty electronics.

The transformer is entirely passive, requiring no power source — it simply matches the impedance between the two cable types to minimize signal reflection and loss at the connection point. RCA's use of a gold-plated fitting on the coaxial side helps resist oxidation over time, which is a practical consideration for connections that may sit undisturbed behind equipment for years. Installation is tool-free: thread the coaxial cable onto the F-connector, then attach the twin-lead wires to your equipment's screw terminals. It's a small, single-purpose device, but for the specific problem it solves, it's a reliable and affordable fix.