The RFA1300 Series from Res-Net Microwave are convection cooled fixed attenuators that operate from DC to 2.4 GHz. They can handle an input power of up to 1300 Watts (CW) and are available in attenuation configurations from 3 to 40 dB (3, 10, and 30 dB). The attenuators have a VSWR less than 1.20:1 and are matched to 50 ohms. They are available in a module that measures 15.08 x 6.63 x 6.13 inches with type-N and 7/16 DIN male/female connectors.