Aeroflex Weinschel Precision Continuously Variable Attenuator DC to 4GHz, 60dB Frequency Range: dc to 4.0 GHz Attenuation Range: 0 - 60 dB Insertion Loss:6 dB Average / Peak Power: 5 Watts / 0.5 KWatts Maximum SWR: 1.80 Connector Type: N Female - N Female