The Model 89 Series of coaxial fixed attenuators operate from DC to 40 GHz. They can handle an input power of up to 20 Watts (CW) and are available with attenuation levels of 10 dB, 20 dB and 30 dB. The attenuators have a VSWR less than 1.40:1 and are matched to 50 ohms. They are available with 2.92 mm male/female connector types.