The 50FHAO-XXX-200-4 is a fixed attenuator from JFW Industries that operates from DC to 4 GHz. It is available in attenuation values of 30 or 40 dB and has a VSWR of less than 1.40:1. The attenuator can handle up to 200 watts of average power and a peak power of up to 1000 watts. It is available with 4.3/10.0, N, SMA or TNC connector options. The heatsink has mounting holes on the both ends.