The 16-0657 from Diconex is a coaxial fixed attenuator that operates from DC to 6 GHz. It provides an attenuation of 40 dB (up-to 2 dB attenuation accuracy) with a VSWR of 1.3:1. The attenuator can handle 500 W of average power at 25 °C. It is available in a module/cabinet with forced air cooling that measures 210 x 332 x 223 mm with N-Type Female connectors.