The 50HFFA-XXX-2/40 Series from JFW Industries are Fixed Attenuators that operate from DC to 40 GHz. They are available in attenuation values from 1 to 10, 15, 20, and 30 dB. These attenuators can handle up to 2 W of average input power and have a VSWR of less than 1.40:1. They measure 0.68 x 0.31 inches with SMA (male/female) connectors and can operate over a temperature range of -55°C to +125°C.