Amphenol XMA Non-Cryogenic Omni Spectra Terminations offer a frequency range of 4GHz to 65GHz and a power range of 0.5W to 10W. Materials available for the outer conductors include sterling silver, gold-plated, and gold-plated body. Amphenol caps these terminations to ensure the signal stops when and where it is needed. Non-Cryogenic Omni Spectra Terminations have a 50Ω impedance rating.