Gertsch Radio Transformer Model RT-9 – US Navy Military RF Unit. Vintage original military communication component manufactured in the USA. Shows cosmetic wear from age, storage, and prior service. Front panel controls move as shown. Nameplates and markings intact. Transformer unit exactly as pictured. Hard-to-find US Navy communication equipment. Ideal for restoration, display, museum, or vintage military electronics projects. Actual item pictured – nothing more, nothing less. No functional testing has been performed.