Product Overview Mini-Circuits’ ANNEF-50+ is a wideband 50 termination capable of absorbing signals up to 1W from DC to 18 GHz. It provides excellent return loss across its entire operating frequency range, effectively dissipating signal power with minimal reflections. This model has a SMA-female connector. The unit features rugged construction for a long life of use and comes in a gold plated brass body with a gold plated beryllium copper center contact. It only measures 0.56″(l) x 0.36″ (dia.).